Prompt:
Implement the Python class `QATransformStep` described below.

Class description:
QATransform Step class that helps run scripts on resouces for QA checks

Method signatures and docstrings:
- def __init__(self, id, pipeline_name, script_arguments=None, sns_topic_arn=None, **kwargs): Constructor for the QATransformStep class Args: sns_arn(str): sns topic arn for QA steps script_arguments(list of str): list of arguments to the script **kwargs(optional): Keyword arguments directly passed to base class
- def arguments_processor(cls, etl, input_args): Parse the step arguments according to the ETL pipeline Args: etl(ETLPipeline): Pipeline object containing resources and steps step_args(dict): Dictionary of the step arguments for the class

Implement the Python class `QATransformStep` described below.

Class description:
QATransform Step class that helps run scripts on resouces for QA checks

Method signatures and docstrings:
- def __init__(self, id, pipeline_name, script_arguments=None, sns_topic_arn=None, **kwargs): Constructor for the QATransformStep class Args: sns_arn(str): sns topic arn for QA steps script_arguments(list of str): list of arguments to the script **kwargs(optional): Keyword arguments directly passed to base class
- def arguments_processor(cls, etl, input_args): Parse the step arguments according to the ETL pipeline Args: etl(ETLPipeline): Pipeline object containing resources and steps step_args(dict): Dictionary of the step arguments for the class

<|skeleton|>
class QATransformStep:
    """QATransform Step class that helps run scripts on resouces for QA checks"""

    def __init__(self, id, pipeline_name, script_arguments=None, sns_topic_arn=None, **kwargs):
        """Constructor for the QATransformStep class Args: sns_arn(str): sns topic arn for QA steps script_arguments(list of str): list of arguments to the script **kwargs(optional): Keyword arguments directly passed to base class"""
        <|body_0|>

    def arguments_processor(cls, etl, input_args):
        """Parse the step arguments according to the ETL pipeline Args: etl(ETLPipeline): Pipeline object containing resources and steps step_args(dict): Dictionary of the step arguments for the class"""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        if sns_topic_arn is None:
            sns_topic_arn = config.etl.get('SNS_TOPIC_ARN_WARNING', None)
        if script_arguments is None:
            script_arguments = list()
        script_arguments.append('--test_name=%s' % (pipeline_name + '.' + id))
        if sns_topic_arn:
            script_arguments.append('--sns_topic_arn=%s' % sns_topic_arn)
        super(QATransformStep, self).__init__(id=id, script_arguments=script_arguments, no_output=True, **kwargs)
<|end_body_0|>

<|body_start_1|>
        input_args = cls.pop_inputs(input_args)
        step_args = cls.base_arguments_processor(etl, input_args)
        step_args['pipeline_name'] = etl.name
        return step_args
<|end_body_1|>

Solution:
class QATransformStep:
    """QATransform Step class that helps run scripts on resouces for QA checks"""

    def __init__(self, id, pipeline_name, script_arguments=None, sns_topic_arn=None, **kwargs):
        """Constructor for the QATransformStep class Args: sns_arn(str): sns topic arn for QA steps script_arguments(list of str): list of arguments to the script **kwargs(optional): Keyword arguments directly passed to base class"""
        if sns_topic_arn is None:
            sns_topic_arn = config.etl.get('SNS_TOPIC_ARN_WARNING', None)
        if script_arguments is None:
            script_arguments = list()
        script_arguments.append('--test_name=%s' % (pipeline_name + '.' + id))
        if sns_topic_arn:
            script_arguments.append('--sns_topic_arn=%s' % sns_topic_arn)
        super(QATransformStep, self).__init__(id=id, script_arguments=script_arguments, no_output=True, **kwargs)

    def arguments_processor(cls, etl, input_args):
        """Parse the step arguments according to the ETL pipeline Args: etl(ETLPipeline): Pipeline object containing resources and steps step_args(dict): Dictionary of the step arguments for the class"""
        input_args = cls.pop_inputs(input_args)
        step_args = cls.base_arguments_processor(etl, input_args)
        step_args['pipeline_name'] = etl.name
        return step_args


remove

Prompt:
Implement the Python class `SkipList` described below.

Class description:
SortedSet ADT implemented using a skip list. Maintains elements in standard sorted order. Single-level nodes with next and below pointers. Uses sentinel values at the beginning of the skip list. Uses "coin tosses" to determine insertion heights.

Method signatures and docstrings:
- def __init__(self, iterable=[]): Create a new (empty) skip list
- def viz(self): Returns a formatted textual representation of the list
- def add(self, value): Insert a value into the skip list; doesn't allow duplicates
- def remove(self, value): Find and remove a value from the skip list. Raises a KeyError if the value is not in the list.
- def __contains__(self, value): Returns True if the given value is in the list; False otherwise
- def __iter__(self): Returns an iterator for the list

Implement the Python class `SkipList` described below.

Class description:
SortedSet ADT implemented using a skip list. Maintains elements in standard sorted order. Single-level nodes with next and below pointers. Uses sentinel values at the beginning of the skip list. Uses "coin tosses" to determine insertion heights.

Method signatures and docstrings:
- def __init__(self, iterable=[]): Create a new (empty) skip list
- def viz(self): Returns a formatted textual representation of the list
- def add(self, value): Insert a value into the skip list; doesn't allow duplicates
- def remove(self, value): Find and remove a value from the skip list. Raises a KeyError if the value is not in the list.
- def __contains__(self, value): Returns True if the given value is in the list; False otherwise
- def __iter__(self): Returns an iterator for the list

<|skeleton|>
class SkipList:
    """SortedSet ADT implemented using a skip list. Maintains elements in standard sorted order. Single-level nodes with next and below pointers. Uses sentinel values at the beginning of the skip list. Uses "coin tosses" to determine insertion heights."""

    def __init__(self, iterable=[]):
        """Create a new (empty) skip list"""
        <|body_0|>

    def viz(self):
        """Returns a formatted textual representation of the list"""
        <|body_1|>

    def add(self, value):
        """Insert a value into the skip list; doesn't allow duplicates"""
        <|body_2|>

    def remove(self, value):
        """Find and remove a value from the skip list. Raises a KeyError if the value is not in the list."""
        <|body_3|>

    def __contains__(self, value):
        """Returns True if the given value is in the list; False otherwise"""
        <|body_4|>

    def __iter__(self):
        """Returns an iterator for the list"""
        <|body_5|>

<|end_skeleton|>

<|body_start_0|>
        self._height = 0
        self._head = SkipList._Node(None)
        self._len = 0
        for elem in iterable:
            self.add(elem)
<|end_body_0|>

<|body_start_1|>
        width = 5
        reps = []
        curs = []
        cur = self._head
        while cur is not None:
            curs.append(cur)
            reps.append('')
            cur = cur.below
        lowest = curs[-1]
        while lowest is not None:
            for i in range(len(curs)):
                if curs[i] is not None and curs[i].value == lowest.value:
                    reps[i] += str(curs[i]).center(width)
                    curs[i] = curs[i].next
                else:
                    reps[i] += ''.center(width)
            lowest = lowest.next
        return '\n'.join(reps) + '\n------------------'
<|end_body_1|>

<|body_start_2|>
        if value in self:
            return
        insertion_height = _generate_level()
        while self._height < insertion_height + 1:
            new_head = SkipList._Node(None)
            new_head.below = self._head
            new_head.next = None
            self._head = new_head
            self._height += 1
        level = self._height - 1
        current = self._head
        recently_added = None
        while current:
            while current.next and value > current.next.value:
                current = current.next
            if level < insertion_height:
                new_node = SkipList._Node(value)
                new_node.next = current.next
                current.next = new_node
                if recently_added:
                    recently_added.below = new_node
                recently_added = new_node
            current = current.below
            level -= 1
<|end_body_2|>

<|body_start_3|>
        if value not in self:
            raise KeyError('No such value %s' % value)
        current = self._head
        while current:
            while current.next and value > current.next.value:
                current = current.next
            if current.next and current.next.value == value:
                current.next = current.next.next
            current = current.below
<|end_body_3|>

<|body_start_4|>
        current = self._head
        while current:
            while current.next and value >= current.next.value:
                current = current.next
            if current.value == value:
                return True
            current = current.below
        return False
<|end_body_4|>

<|body_start_5|>
        current = self._head
        while current.below:
            current = current.below
        current = current.next
        while current:
            yield current.value
            current = current.next
<|end_body_5|>

Solution:
class SkipList:
    """SortedSet ADT implemented using a skip list. Maintains elements in standard sorted order. Single-level nodes with next and below pointers. Uses sentinel values at the beginning of the skip list. Uses "coin tosses" to determine insertion heights."""

    def __init__(self, iterable=[]):
        """Create a new (empty) skip list"""
        self._height = 0
        self._head = SkipList._Node(None)
        self._len = 0
        for elem in iterable:
            self.add(elem)

    def viz(self):
        """Returns a formatted textual representation of the list"""
        width = 5
        reps = []
        curs = []
        cur = self._head
        while cur is not None:
            curs.append(cur)
            reps.append('')
            cur = cur.below
        lowest = curs[-1]
        while lowest is not None:
            for i in range(len(curs)):
                if curs[i] is not None and curs[i].value == lowest.value:
                    reps[i] += str(curs[i]).center(width)
                    curs[i] = curs[i].next
                else:
                    reps[i] += ''.center(width)
            lowest = lowest.next
        return '\n'.join(reps) + '\n------------------'

    def add(self, value):
        """Insert a value into the skip list; doesn't allow duplicates"""
        if value in self:
            return
        insertion_height = _generate_level()
        while self._height < insertion_height + 1:
            new_head = SkipList._Node(None)
            new_head.below = self._head
            new_head.next = None
            self._head = new_head
            self._height += 1
        level = self._height - 1
        current = self._head
        recently_added = None
        while current:
            while current.next and value > current.next.value:
                current = current.next
            if level < insertion_height:
                new_node = SkipList._Node(value)
                new_node.next = current.next
                current.next = new_node
                if recently_added:
                    recently_added.below = new_node
                recently_added = new_node
            current = current.below
            level -= 1

    def remove(self, value):
        """Find and remove a value from the skip list. Raises a KeyError if the value is not in the list."""
        if value not in self:
            raise KeyError('No such value %s' % value)
        current = self._head
        while current:
            while current.next and value > current.next.value:
                current = current.next
            if current.next and current.next.value == value:
                current.next = current.next.next
            current = current.below

    def __contains__(self, value):
        """Returns True if the given value is in the list; False otherwise"""
        current = self._head
        while current:
            while current.next and value >= current.next.value:
                current = current.next
            if current.value == value:
                return True
            current = current.below
        return False

    def __iter__(self):
        """Returns an iterator for the list"""
        current = self._head
        while current.below:
            current = current.below
        current = current.next
        while current:
            yield current.value
            current = current.next


Prompt:
Implement the Python class `Transport` described below.

Class description:
Handle gateway transport. I/O is allowed in this class. This class should host methods that are related to the gateway transport type.

Method signatures and docstrings:
- def __init__(self, gateway, connect, timeout=1.0, reconnect_timeout=10.0, **kwargs): Set up transport.
- def disconnect(self): Disconnect from the transport.
- def send(self, message): Write a message to the gateway.

Implement the Python class `Transport` described below.

Class description:
Handle gateway transport. I/O is allowed in this class. This class should host methods that are related to the gateway transport type.

Method signatures and docstrings:
- def __init__(self, gateway, connect, timeout=1.0, reconnect_timeout=10.0, **kwargs): Set up transport.
- def disconnect(self): Disconnect from the transport.
- def send(self, message): Write a message to the gateway.

<|skeleton|>
class Transport:
    """Handle gateway transport. I/O is allowed in this class. This class should host methods that are related to the gateway transport type."""

    def __init__(self, gateway, connect, timeout=1.0, reconnect_timeout=10.0, **kwargs):
        """Set up transport."""
        <|body_0|>

    def disconnect(self):
        """Disconnect from the transport."""
        <|body_1|>

    def send(self, message):
        """Write a message to the gateway."""
        <|body_2|>

<|end_skeleton|>

<|body_start_0|>
        self._connect = connect
        self.can_log = False
        self.connect_task = None
        self.gateway = gateway
        self.protocol = None
        self.reconnect_timeout = reconnect_timeout
        self.timeout = timeout
<|end_body_0|>

<|body_start_1|>
        if not self.protocol or not self.protocol.transport:
            self.protocol = None
            return
        _LOGGER.info('Disconnecting from gateway')
        self.protocol.transport.close()
        self.protocol = None
<|end_body_1|>

<|body_start_2|>
        if not message or not self.protocol or (not self.protocol.transport):
            return
        if not self.can_log:
            _LOGGER.debug('Sending %s', message.strip())
        try:
            self.protocol.transport.write(message.encode())
        except OSError as exc:
            _LOGGER.error('Failed writing to transport %s: %s', self.protocol.transport, exc)
            self.protocol.transport.close()
            self.protocol.conn_lost_callback()
<|end_body_2|>

Solution:
class Transport:
    """Handle gateway transport. I/O is allowed in this class. This class should host methods that are related to the gateway transport type."""

    def __init__(self, gateway, connect, timeout=1.0, reconnect_timeout=10.0, **kwargs):
        """Set up transport."""
        self._connect = connect
        self.can_log = False
        self.connect_task = None
        self.gateway = gateway
        self.protocol = None
        self.reconnect_timeout = reconnect_timeout
        self.timeout = timeout

    def disconnect(self):
        """Disconnect from the transport."""
        if not self.protocol or not self.protocol.transport:
            self.protocol = None
            return
        _LOGGER.info('Disconnecting from gateway')
        self.protocol.transport.close()
        self.protocol = None

    def send(self, message):
        """Write a message to the gateway."""
        if not message or not self.protocol or (not self.protocol.transport):
            return
        if not self.can_log:
            _LOGGER.debug('Sending %s', message.strip())
        try:
            self.protocol.transport.write(message.encode())
        except OSError as exc:
            _LOGGER.error('Failed writing to transport %s: %s', self.protocol.transport, exc)
            self.protocol.transport.close()
            self.protocol.conn_lost_callback()


predict

给定待预测数据集X_predict，返回表示X_predict的结果向量

Prompt:
Implement the Python class `LinearRegression` described below.

Class description:
Implement the LinearRegression class.

Method signatures and docstrings:
- def __int__(self): 构造方法
- def fit_nomal(self, X_train, y_train): 根据训练数据集X_train, y_train训练Linear Regression模型
- def predict(self, X_predict): 给定待预测数据集X_predict，返回表示X_predict的结果向量

Implement the Python class `LinearRegression` described below.

Class description:
Implement the LinearRegression class.

Method signatures and docstrings:
- def __int__(self): 构造方法
- def fit_nomal(self, X_train, y_train): 根据训练数据集X_train, y_train训练Linear Regression模型
- def predict(self, X_predict): 给定待预测数据集X_predict，返回表示X_predict的结果向量

<|skeleton|>
class LinearRegression:

    def __int__(self):
        """构造方法"""
        <|body_0|>

    def fit_nomal(self, X_train, y_train):
        """根据训练数据集X_train, y_train训练Linear Regression模型"""
        <|body_1|>

    def predict(self, X_predict):
        """给定待预测数据集X_predict，返回表示X_predict的结果向量"""
        <|body_2|>

<|end_skeleton|>

<|body_start_0|>
        self.coef_ = None
        self.intercept_ = None
        self._theta = None
<|end_body_0|>

<|body_start_1|>
        assert X_train.shape[0] == y_train.shape[0], 'The size of X_train must be equal to the size of y_train'
        X_b = np.vstack([np.ones((len(X_train), 1)), X_train])
        self._theta = np.linalg.inv(X_b.T.dot(X_b)).dot(X_b.T).dot(y_train)
        self.coef_ = self._theta[1:]
        self.intercept_ = self._theta[0]
        return self
<|end_body_1|>

<|body_start_2|>
        assert self.intercept_ is not None and self.coef_ is not None, 'must fit before predict!'
        assert X_predict.shape[1] == len(self.coef_), 'the feature number of X_predict must be equal to X_train'
        X_b = np.vstack(np.ones((len(X_predict), 1), 1), X_predict)
        return X_b.dot(self._theta)
<|end_body_2|>

Solution:
class LinearRegression:
    def __int__(self):
        """构造方法"""
        self.coef_ = None
        self.intercept_ = None
        self._theta = None

    def fit_nomal(self, X_train, y_train):
        """根据训练数据集X_train, y_train训练Linear Regression模型"""
        assert X_train.shape[0] == y_train.shape[0], 'The size of X_train must be equal to the size of y_train'
        X_b = np.vstack([np.ones((len(X_train), 1)), X_train])
        self._theta = np.linalg.inv(X_b.T.dot(X_b)).dot(X_b.T).dot(y_train)
        self.coef_ = self._theta[1:]
        self.intercept_ = self._theta[0]
        return self

    def predict(self, X_predict):
        """给定待预测数据集X_predict，返回表示X_predict的结果向量"""
        assert self.intercept_ is not None and self.coef_ is not None, 'must fit before predict!'
        assert X_predict.shape[1] == len(self.coef_), 'the feature number of X_predict must be equal to X_train'
        X_b = np.vstack(np.ones((len(X_predict), 1), 1), X_predict)
        return X_b.dot(self._theta)


delete

Prompt:
Implement the Python class `EnvironmentInstanceDetails` described below.

Class description:
Retrieve, update or delete a EnvironmentInstance instance.

Method signatures and docstrings:
- def get_object(self, pk): Get the particular row from the table.
- def get(self, request, pk, format=None): We are going to add the contact info content along with this pull request
- def put(self, request, pk, format=None): When requested update the corresponding entry of the table
- def delete(self, request, pk, format=None): When requested delete the corresponding entry of the table

Implement the Python class `EnvironmentInstanceDetails` described below.

Class description:
Retrieve, update or delete a EnvironmentInstance instance.

Method signatures and docstrings:
- def get_object(self, pk): Get the particular row from the table.
- def get(self, request, pk, format=None): We are going to add the contact info content along with this pull request
- def put(self, request, pk, format=None): When requested update the corresponding entry of the table
- def delete(self, request, pk, format=None): When requested delete the corresponding entry of the table

<|skeleton|>
class EnvironmentInstanceDetails:
    """Retrieve, update or delete a EnvironmentInstance instance."""

    def get_object(self, pk):
        """Get the particular row from the table."""
        <|body_0|>

    def get(self, request, pk, format=None):
        """We are going to add the contact info content along with this pull request"""
        <|body_1|>

    def put(self, request, pk, format=None):
        """When requested update the corresponding entry of the table"""
        <|body_2|>

    def delete(self, request, pk, format=None):
        """When requested delete the corresponding entry of the table"""
        <|body_3|>

<|end_skeleton|>

<|body_start_0|>
        try:
            return EnvironmentInstance.objects.get(pk=pk)
        except EnvironmentInstance.DoesNotExist:
            raise Http404
<|end_body_0|>

<|body_start_1|>
        env_instance = self.get_object(pk)
        serializer = EnvironmentInstanceSerializer(env_instance)
        return Response(serializer.data)
<|end_body_1|>

<|body_start_2|>
        env_instance = self.get_object(pk)
        serializer = EnvironmentInstanceSerializer(env_instance, data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data)
        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
<|end_body_2|>

<|body_start_3|>
        env_instance = self.get_object(pk)
        env_instance.delete()
        return Response(status=status.HTTP_204_NO_CONTENT)
<|end_body_3|>

Solution:
class EnvironmentInstanceDetails:
    """Retrieve, update or delete a EnvironmentInstance instance."""

    def get_object(self, pk):
        """Get the particular row from the table."""
        try:
            return EnvironmentInstance.objects.get(pk=pk)
        except EnvironmentInstance.DoesNotExist:
            raise Http404

    def get(self, request, pk, format=None):
        """We are going to add the contact info content along with this pull request"""
        env_instance = self.get_object(pk)
        serializer = EnvironmentInstanceSerializer(env_instance)
        return Response(serializer.data)

    def put(self, request, pk, format=None):
        """When requested update the corresponding entry of the table"""
        env_instance = self.get_object(pk)
        serializer = EnvironmentInstanceSerializer(env_instance, data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data)
        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

    def delete(self, request, pk, format=None):
        """When requested delete the corresponding entry of the table"""
        env_instance = self.get_object(pk)
        env_instance.delete()
        return Response(status=status.HTTP_204_NO_CONTENT)


MutateSharedSets

Prompt:
Implement the Python class `SharedSetServiceServicer` described below.

Class description:
Proto file describing the Shared Set service. Service to manage shared sets.

Method signatures and docstrings:
- def GetSharedSet(self, request, context): Returns the requested shared set in full detail.
- def MutateSharedSets(self, request, context): Creates, updates, or removes shared sets. Operation statuses are returned.

Implement the Python class `SharedSetServiceServicer` described below.

Class description:
Proto file describing the Shared Set service. Service to manage shared sets.

Method signatures and docstrings:
- def GetSharedSet(self, request, context): Returns the requested shared set in full detail.
- def MutateSharedSets(self, request, context): Creates, updates, or removes shared sets. Operation statuses are returned.

<|skeleton|>
class SharedSetServiceServicer:
    """Proto file describing the Shared Set service. Service to manage shared sets."""

    def GetSharedSet(self, request, context):
        """Returns the requested shared set in full detail."""
        <|body_0|>

    def MutateSharedSets(self, request, context):
        """Creates, updates, or removes shared sets. Operation statuses are returned."""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
        context.set_details('Method not implemented!')
        raise NotImplementedError('Method not implemented!')
<|end_body_0|>

<|body_start_1|>
        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
        context.set_details('Method not implemented!')
        raise NotImplementedError('Method not implemented!')
<|end_body_1|>

Solution:
class SharedSetServiceServicer:
    """Proto file describing the Shared Set service. Service to manage shared sets."""

    def GetSharedSet(self, request, context):
        """Returns the requested shared set in full detail."""
        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
        context.set_details('Method not implemented!')
        raise NotImplementedError('Method not implemented!')

    def MutateSharedSets(self, request, context):
        """Creates, updates, or removes shared sets. Operation statuses are returned."""
        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
        context.set_details('Method not implemented!')
        raise NotImplementedError('Method not implemented!')


Prompt:
Implement the Python class `Solution` described below.

Class description:
Implement the Solution class.

Method signatures and docstrings:
- def inorderTraversal1(self, root: TreeNode) -> List[int]: 思路： 递归 1。 终止条件： root 为空 2。 返回值 [root.val] 3. level task: 左 + 根 + 右
- def inorderTraversal2(self, root: TreeNode) -> List[int]: 思路：非递归, 使用辅助stack，push root.left 直到找到根节点 node，此时放入结果， 使用 临时变量 为 tmp= node.right 注意： 中序遍历的非递归必须熟练掌握，应为 bst 中序遍历的结果为递增序列， 很多变形可由此展开

Implement the Python class `Solution` described below.

Class description:
Implement the Solution class.

Method signatures and docstrings:
- def inorderTraversal1(self, root: TreeNode) -> List[int]: 思路： 递归 1。 终止条件： root 为空 2。 返回值 [root.val] 3. level task: 左 + 根 + 右
- def inorderTraversal2(self, root: TreeNode) -> List[int]: 思路：非递归, 使用辅助stack，push root.left 直到找到根节点 node，此时放入结果， 使用 临时变量 为 tmp= node.right 注意： 中序遍历的非递归必须熟练掌握，应为 bst 中序遍历的结果为递增序列， 很多变形可由此展开

<|skeleton|>
class Solution:

    def inorderTraversal1(self, root: TreeNode) -> List[int]:
        """思路： 递归 1。 终止条件： root 为空 2。 返回值 [root.val] 3. level task: 左 + 根 + 右"""
        <|body_0|>

    def inorderTraversal2(self, root: TreeNode) -> List[int]:
        """思路：非递归, 使用辅助stack，push root.left 直到找到根节点 node，此时放入结果， 使用 临时变量 为 tmp= node.right 注意： 中序遍历的非递归必须熟练掌握，应为 bst 中序遍历的结果为递增序列， 很多变形可由此展开"""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        if not root:
            return []
        left = self.inorderTraversal(root.left)
        right = self.inorderTraversal(root.right)
        return left + [root.val] + right
<|end_body_0|>

<|body_start_1|>
        stack, path = ([], [])
        while root or stack:
            if root:
                stack.append(root)
                root = root.left
            else:
                node = stack.pop()
                path.append(node.val)
                root = node.right
        return path
<|end_body_1|>

Solution:
class Solution:
    def inorderTraversal1(self, root: TreeNode) -> List[int]:
        """思路： 递归 1。 终止条件： root 为空 2。 返回值 [root.val] 3. level task: 左 + 根 + 右"""
        if not root:
            return []
        left = self.inorderTraversal(root.left)
        right = self.inorderTraversal(root.right)
        return left + [root.val] + right

    def inorderTraversal2(self, root: TreeNode) -> List[int]:
        """思路：非递归, 使用辅助stack，push root.left 直到找到根节点 node，此时放入结果， 使用 临时变量 为 tmp= node.right 注意： 中序遍历的非递归必须熟练掌握，应为 bst 中序遍历的结果为递增序列， 很多变形可由此展开"""
        stack, path = ([], [])
        while root or stack:
            if root:
                stack.append(root)
                root = root.left
            else:
                node = stack.pop()
                path.append(node.val)
                root = node.right
        return path


permuteUnique

Prompt:
Implement the Python class `Solution` described below.

Class description:
Implement the Solution class.

Method signatures and docstrings:
- def permuteUnique(self, nums): :type nums: List[int] :rtype: List[List[int]]
- def permuteUnique1(self, nums): :type nums: List[int] :rtype: List[List[int]]

Implement the Python class `Solution` described below.

Class description:
Implement the Solution class.

Method signatures and docstrings:
- def permuteUnique(self, nums): :type nums: List[int] :rtype: List[List[int]]
- def permuteUnique1(self, nums): :type nums: List[int] :rtype: List[List[int]]

<|skeleton|>
class Solution:

    def permuteUnique(self, nums):
        """:type nums: List[int] :rtype: List[List[int]]"""
        <|body_0|>

    def permuteUnique1(self, nums):
        """:type nums: List[int] :rtype: List[List[int]]"""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        perms = [[]]
        for n in nums:
            new_perm = []
            for perm in perms:
                for i in range(len(perm) + 1):
                    new_perm.append(perm[:i] + [n] + perm[i:])
                    if i < len(perm) and n == perm[i]:
                        break
            perms = new_perm
        return perms
<|end_body_0|>

<|body_start_1|>
        res = []
        if len(nums) == 0:
            return res
        if len(nums) == 1:
            return [nums]
        nums.sort()
        for i in range(len(nums)):
            if i > 0 and nums[i] == nums[i - 1]:
                continue
            for j in self.permuteUnique(nums[:i] + nums[i + 1:]):
                res.append([nums[i]] + j)
        return res
<|end_body_1|>

Solution:
class Solution:
    def permuteUnique(self, nums):
        """:type nums: List[int] :rtype: List[List[int]]"""
        perms = [[]]
        for n in nums:
            new_perm = []
            for perm in perms:
                for i in range(len(perm) + 1):
                    new_perm.append(perm[:i] + [n] + perm[i:])
                    if i < len(perm) and n == perm[i]:
                        break
            perms = new_perm
        return perms

    def permuteUnique1(self, nums):
        """:type nums: List[int] :rtype: List[List[int]]"""
        res = []
        if len(nums) == 0:
            return res
        if len(nums) == 1:
            return [nums]
        nums.sort()
        for i in range(len(nums)):
            if i > 0 and nums[i] == nums[i - 1]:
                continue
            for j in self.permuteUnique(nums[:i] + nums[i + 1:]):
                res.append([nums[i]] + j)
        return res


Prompt:
Implement the Python class `Oracle` described below.

Class description:
Implement the Oracle class.

Method signatures and docstrings:
- def p_encrypt(self, p): encrypt : ENCRYPT | encrypt NO SALT | encrypt SALT | encrypt USING STRING | encrypt STRING
- def p_storage(self, p): storage : STORAGE LP | storage id id | storage id id RP
- def p_expr_storage(self, p): expr : expr storage

Implement the Python class `Oracle` described below.

Class description:
Implement the Oracle class.

Method signatures and docstrings:
- def p_encrypt(self, p): encrypt : ENCRYPT | encrypt NO SALT | encrypt SALT | encrypt USING STRING | encrypt STRING
- def p_storage(self, p): storage : STORAGE LP | storage id id | storage id id RP
- def p_expr_storage(self, p): expr : expr storage

<|skeleton|>
class Oracle:

    def p_encrypt(self, p):
        """encrypt : ENCRYPT | encrypt NO SALT | encrypt SALT | encrypt USING STRING | encrypt STRING"""
        <|body_0|>

    def p_storage(self, p):
        """storage : STORAGE LP | storage id id | storage id id RP"""
        <|body_1|>

    def p_expr_storage(self, p):
        """expr : expr storage"""
        <|body_2|>

<|end_skeleton|>

<|body_start_0|>
        p_list = list(p)
        if isinstance(p[1], dict):
            p[0] = p[1]
            if 'NO' in p_list:
                p[0]['encrypt']['salt'] = False
            elif 'USING' in p_list:
                p[0]['encrypt']['encryption_algorithm'] = p_list[-1]
            elif 'SALT' not in p_list:
                p[0]['encrypt']['integrity_algorithm'] = p_list[-1]
        else:
            p[0] = {'encrypt': {'salt': True, 'encryption_algorithm': "'AES192'", 'integrity_algorithm': 'SHA-1'}}
<|end_body_0|>

<|body_start_1|>
        p_list = remove_par(list(p))
        param = {}
        if len(p_list) == 4:
            param = {p_list[2].lower(): p_list[3]}
        if isinstance(p_list[1], dict):
            p[0] = p[1]
        else:
            p[0] = {}
        p[0].update(param)
<|end_body_1|>

<|body_start_2|>
        p_list = list(p)
        p[0] = p[1]
        p[0]['storage'] = p_list[-1]
<|end_body_2|>

Solution:
class Oracle:
    def p_encrypt(self, p):
        """encrypt : ENCRYPT | encrypt NO SALT | encrypt SALT | encrypt USING STRING | encrypt STRING"""
        p_list = list(p)
        if isinstance(p[1], dict):
            p[0] = p[1]
            if 'NO' in p_list:
                p[0]['encrypt']['salt'] = False
            elif 'USING' in p_list:
                p[0]['encrypt']['encryption_algorithm'] = p_list[-1]
            elif 'SALT' not in p_list:
                p[0]['encrypt']['integrity_algorithm'] = p_list[-1]
        else:
            p[0] = {'encrypt': {'salt': True, 'encryption_algorithm': "'AES192'", 'integrity_algorithm': 'SHA-1'}}

    def p_storage(self, p):
        """storage : STORAGE LP | storage id id | storage id id RP"""
        p_list = remove_par(list(p))
        param = {}
        if len(p_list) == 4:
            param = {p_list[2].lower(): p_list[3]}
        if isinstance(p_list[1], dict):
            p[0] = p[1]
        else:
            p[0] = {}
        p[0].update(param)

    def p_expr_storage(self, p):
        """expr : expr storage"""
        p_list = list(p)
        p[0] = p[1]
        p[0]['storage'] = p_list[-1]


Prompt:
Implement the Python class `AuthenticatedAndEnrolledTasks` described below.

Class description:
User scripts in which the user is already authenticated and enrolled.

Method signatures and docstrings:
- def on_start(self): Ensure the user is logged in and enrolled.
- def user_enrollment_status(self): Check a user's enrollment status in a course.
- def list_enrollments(self): Get all enrollments for a user.

Implement the Python class `AuthenticatedAndEnrolledTasks` described below.

Class description:
User scripts in which the user is already authenticated and enrolled.

Method signatures and docstrings:
- def on_start(self): Ensure the user is logged in and enrolled.
- def user_enrollment_status(self): Check a user's enrollment status in a course.
- def list_enrollments(self): Get all enrollments for a user.

<|skeleton|>
class AuthenticatedAndEnrolledTasks:
    """User scripts in which the user is already authenticated and enrolled."""

    def on_start(self):
        """Ensure the user is logged in and enrolled."""
        <|body_0|>

    def user_enrollment_status(self):
        """Check a user's enrollment status in a course."""
        <|body_1|>

    def list_enrollments(self):
        """Get all enrollments for a user."""
        <|body_2|>

<|end_skeleton|>

<|body_start_0|>
        self.api = EnrollmentApi(self.locust.host, self.client)
        self.auto_auth()
        for course_id in settings.data['COURSE_ID_LIST']:
            self.api.enroll(course_id)
<|end_body_0|>

<|body_start_1|>
        course_id = random.choice(settings.data['COURSE_ID_LIST'])
        try:
            self.api.get_user_enrollment_status(self.username, course_id)
        except NotAuthorizedException:
            self.auto_auth()
<|end_body_1|>

<|body_start_2|>
        try:
            self.api.get_student_enrollments()
        except NotAuthorizedException:
            self.auto_auth()
<|end_body_2|>

Solution:
class AuthenticatedAndEnrolledTasks:
    """User scripts in which the user is already authenticated and enrolled."""

    def on_start(self):
        """Ensure the user is logged in and enrolled."""
        self.api = EnrollmentApi(self.locust.host, self.client)
        self.auto_auth()
        for course_id in settings.data['COURSE_ID_LIST']:
            self.api.enroll(course_id)

    def user_enrollment_status(self):
        """Check a user's enrollment status in a course."""
        course_id = random.choice(settings.data['COURSE_ID_LIST'])
        try:
            self.api.get_user_enrollment_status(self.username, course_id)
        except NotAuthorizedException:
            self.auto_auth()

    def list_enrollments(self):
        """Get all enrollments for a user."""
        try:
            self.api.get_student_enrollments()
        except NotAuthorizedException:
            self.auto_auth()


Prompt:
Implement the Python class `Solution` described below.

Class description:
Implement the Solution class.

Method signatures and docstrings:
- def maxProfit(self, prices): :type prices: List[int] :rtype: int
- def maxProfit(self, prices): :type prices: List[int] :rtype: int

Implement the Python class `Solution` described below.

Class description:
Implement the Solution class.

Method signatures and docstrings:
- def maxProfit(self, prices): :type prices: List[int] :rtype: int
- def maxProfit(self, prices): :type prices: List[int] :rtype: int

<|skeleton|>
class Solution:

    def maxProfit(self, prices):
        """:type prices: List[int] :rtype: int"""
        <|body_0|>

    def maxProfit(self, prices):
        """:type prices: List[int] :rtype: int"""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        n = len(prices)
        if n <= 1:
            return 0
        pre = 0
        res = 0
        for i in range(1, n):
            cur = prices[i] - prices[i - 1]
            if pre > 0:
                cur += pre
            res = max(res, cur)
            pre = cur
        return res
<|end_body_0|>

<|body_start_1|>
        n = len(prices)
        if n <= 1:
            return 0
        pre = 0
        res = 0
        left = [0]
        for i in range(1, n):
            cur = prices[i] - prices[i - 1]
            if pre > 0:
                cur += pre
            res = max(res, cur)
            left.append(res)
            pre = cur
        pre = 0
        res = 0
        right = [0]
        for i in range(n - 2, -1, -1):
            cur = prices[i + 1] - prices[i]
            if pre > 0:
                cur += pre
            res = max(res, cur)
            right.insert(0, res)
            pre = cur
        res = max(left[-1], right[0])
        for i in range(n - 1):
            cur = left[i] + right[i + 1]
            res = max(cur, res)
        return res
<|end_body_1|>

Solution:
class Solution:
    def maxProfit(self, prices):
        """:type prices: List[int] :rtype: int"""
        n = len(prices)
        if n <= 1:
            return 0
        pre = 0
        res = 0
        for i in range(1, n):
            cur = prices[i] - prices[i - 1]
            if pre > 0:
                cur += pre
            res = max(res, cur)
            pre = cur
        return res

    def maxProfit(self, prices):
        """:type prices: List[int] :rtype: int"""
        n = len(prices)
        if n <= 1:
            return 0
        pre = 0
        res = 0
        left = [0]
        for i in range(1, n):
            cur = prices[i] - prices[i - 1]
            if pre > 0:
                cur += pre
            res = max(res, cur)
            left.append(res)
            pre = cur
        pre = 0
        res = 0
        right = [0]
        for i in range(n - 2, -1, -1):
            cur = prices[i + 1] - prices[i]
            if pre > 0:
                cur += pre
            res = max(res, cur)
            right.insert(0, res)
            pre = cur
        res = max(left[-1], right[0])
        for i in range(n - 1):
            cur = left[i] + right[i + 1]
            res = max(cur, res)
        return res


Prompt:
Implement the Python class `MoveitColumnController` described below.

Class description:
Implement the MoveitColumnController class.

Method signatures and docstrings:
- def __init__(self, column_parameters): Initializes the Palbator Moveit column controller.
- def move_column_to_pose(self, pose_name): Moves the column in a predefined position during Moveit package's configuration giving its name. :param pose_name: name of the position to reach :type pose_name: string
- def move_column(self, z_target): Moves the column in a position on Z axis. :param z_target: Coordinate Z of the point to reach :type z_target: float

Implement the Python class `MoveitColumnController` described below.

Class description:
Implement the MoveitColumnController class.

Method signatures and docstrings:
- def __init__(self, column_parameters): Initializes the Palbator Moveit column controller.
- def move_column_to_pose(self, pose_name): Moves the column in a predefined position during Moveit package's configuration giving its name. :param pose_name: name of the position to reach :type pose_name: string
- def move_column(self, z_target): Moves the column in a position on Z axis. :param z_target: Coordinate Z of the point to reach :type z_target: float

<|skeleton|>
class MoveitColumnController:

    def __init__(self, column_parameters):
        """Initializes the Palbator Moveit column controller."""
        <|body_0|>

    def move_column_to_pose(self, pose_name):
        """Moves the column in a predefined position during Moveit package's configuration giving its name. :param pose_name: name of the position to reach :type pose_name: string"""
        <|body_1|>

    def move_column(self, z_target):
        """Moves the column in a position on Z axis. :param z_target: Coordinate Z of the point to reach :type z_target: float"""
        <|body_2|>

<|end_skeleton|>

<|body_start_0|>
        moveit_commander.roscpp_initialize(sys.argv)
        self._parameters = column_parameters
        self.robot = moveit_commander.RobotCommander()
        self.scene = moveit_commander.PlanningSceneInterface()
        self.group = moveit_commander.MoveGroupCommander(self._parameters['Palbator_column_move_group'])
        self.display_trajectory_publisher = rospy.Publisher(self._parameters['display_column_planned_path_topic'], moveit_msgs.msg.DisplayTrajectory, queue_size=10)
        self.minimum_column = self._parameters['minimum_height']
        self.maximum_column = self._parameters['maximum_height']
        rospy.logwarn('{class_name} : COLUMN CONTROLLER ON'.format(class_name=self.__class__.__name__))
<|end_body_0|>

<|body_start_1|>
        rospy.loginfo('{class_name} : Column move request to position %s'.format(class_name=self.__class__.__name__), pose_name)
        self.group.set_named_target(pose_name)
        plan1 = self.group.plan()
        self.display_trajectory = moveit_msgs.msg.DisplayTrajectory()
        self.display_trajectory.trajectory_start = self.robot.get_current_state()
        self.display_trajectory.trajectory.append(plan1)
        self.display_trajectory_publisher.publish(self.display_trajectory)
        rospy.loginfo('{class_name} : Moving column'.format(class_name=self.__class__.__name__))
        self.group.go(wait=True)
        rospy.loginfo('{class_name} : Column position reached'.format(class_name=self.__class__.__name__))
<|end_body_1|>

<|body_start_2|>
        rospy.loginfo('{class_name} : Column move request to coordinate Z %s'.format(class_name=self.__class__.__name__), str(z_target))
        column_pose_target = Pose()
        if z_target < self.minimum_column:
            column_pose_target.position.z = self.minimum_column
        elif z_target > self.maximum_column:
            column_pose_target.position.z = self.maximum_column
        else:
            column_pose_target.position.z = z_target
        column_pose_target.orientation.w = 1.0
        self.group.set_pose_reference_frame('base_footprint')
        self.group.set_joint_value_target(column_pose_target, True)
        plan1 = self.group.plan()
        self.display_trajectory = moveit_msgs.msg.DisplayTrajectory()
        self.display_trajectory.trajectory_start = self.robot.get_current_state()
        self.display_trajectory.trajectory.append(plan1)
        self.display_trajectory_publisher.publish(self.display_trajectory)
        rospy.loginfo('{class_name} : Moving column'.format(class_name=self.__class__.__name__))
        self.group.go(wait=True)
        rospy.loginfo('{class_name} : Column position reached'.format(class_name=self.__class__.__name__))
<|end_body_2|>

Solution:
class MoveitColumnController:
    def __init__(self, column_parameters):
        """Initializes the Palbator Moveit column controller."""
        moveit_commander.roscpp_initialize(sys.argv)
        self._parameters = column_parameters
        self.robot = moveit_commander.RobotCommander()
        self.scene = moveit_commander.PlanningSceneInterface()
        self.group = moveit_commander.MoveGroupCommander(self._parameters['Palbator_column_move_group'])
        self.display_trajectory_publisher = rospy.Publisher(self._parameters['display_column_planned_path_topic'], moveit_msgs.msg.DisplayTrajectory, queue_size=10)
        self.minimum_column = self._parameters['minimum_height']
        self.maximum_column = self._parameters['maximum_height']
        rospy.logwarn('{class_name} : COLUMN CONTROLLER ON'.format(class_name=self.__class__.__name__))

    def move_column_to_pose(self, pose_name):
        """Moves the column in a predefined position during Moveit package's configuration giving its name. :param pose_name: name of the position to reach :type pose_name: string"""
        rospy.loginfo('{class_name} : Column move request to position %s'.format(class_name=self.__class__.__name__), pose_name)
        self.group.set_named_target(pose_name)
        plan1 = self.group.plan()
        self.display_trajectory = moveit_msgs.msg.DisplayTrajectory()
        self.display_trajectory.trajectory_start = self.robot.get_current_state()
        self.display_trajectory.trajectory.append(plan1)
        self.display_trajectory_publisher.publish(self.display_trajectory)
        rospy.loginfo('{class_name} : Moving column'.format(class_name=self.__class__.__name__))
        self.group.go(wait=True)
        rospy.loginfo('{class_name} : Column position reached'.format(class_name=self.__class__.__name__))

    def move_column(self, z_target):
        """Moves the column in a position on Z axis. :param z_target: Coordinate Z of the point to reach :type z_target: float"""
        rospy.loginfo('{class_name} : Column move request to coordinate Z %s'.format(class_name=self.__class__.__name__), str(z_target))
        column_pose_target = Pose()
        if z_target < self.minimum_column:
            column_pose_target.position.z = self.minimum_column
        elif z_target > self.maximum_column:
            column_pose_target.position.z = self.maximum_column
        else:
            column_pose_target.position.z = z_target
        column_pose_target.orientation.w = 1.0
        self.group.set_pose_reference_frame('base_footprint')
        self.group.set_joint_value_target(column_pose_target, True)
        plan1 = self.group.plan()
        self.display_trajectory = moveit_msgs.msg.DisplayTrajectory()
        self.display_trajectory.trajectory_start = self.robot.get_current_state()
        self.display_trajectory.trajectory.append(plan1)
        self.display_trajectory_publisher.publish(self.display_trajectory)
        rospy.loginfo('{class_name} : Moving column'.format(class_name=self.__class__.__name__))
        self.group.go(wait=True)
        rospy.loginfo('{class_name} : Column position reached'.format(class_name=self.__class__.__name__))


Prompt:
Implement the Python class `OtherPeopleAdultDBSForm` described below.

Class description:
GOV.UK form for the People in your home: adult DBS page

Method signatures and docstrings:
- def __init__(self, *args, **kwargs): Method to configure the initialisation of the People in your home: adult DBS form :param args: arguments passed to the form :param kwargs: keyword arguments passed to the form, e.g. application ID
- def clean_dbs_certificate_number(self): DBS certificate number validation :return: integer

Implement the Python class `OtherPeopleAdultDBSForm` described below.

Class description:
GOV.UK form for the People in your home: adult DBS page

Method signatures and docstrings:
- def __init__(self, *args, **kwargs): Method to configure the initialisation of the People in your home: adult DBS form :param args: arguments passed to the form :param kwargs: keyword arguments passed to the form, e.g. application ID
- def clean_dbs_certificate_number(self): DBS certificate number validation :return: integer

<|skeleton|>
class OtherPeopleAdultDBSForm:
    """GOV.UK form for the People in your home: adult DBS page"""

    def __init__(self, *args, **kwargs):
        """Method to configure the initialisation of the People in your home: adult DBS form :param args: arguments passed to the form :param kwargs: keyword arguments passed to the form, e.g. application ID"""
        <|body_0|>

    def clean_dbs_certificate_number(self):
        """DBS certificate number validation :return: integer"""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        self.application_id_local = kwargs.pop('id')
        self.adult = kwargs.pop('adult')
        self.name = kwargs.pop('name')
        super(OtherPeopleAdultDBSForm, self).__init__(*args, **kwargs)
        full_stop_stripper(self)
        if AdultInHome.objects.filter(application_id=self.application_id_local, adult=self.adult).count() > 0:
            adult_record = AdultInHome.objects.get(application_id=self.application_id_local, adult=self.adult)
            self.fields['dbs_certificate_number'].initial = adult_record.dbs_certificate_number
            self.pk = adult_record.adult_id
            self.field_list = ['dbs_certificate_number']
<|end_body_0|>

<|body_start_1|>
        dbs_certification_key = str(self.prefix) + '-dbs_certificate_number'
        dbs_certificate_number = self.data[dbs_certification_key]
        if len(str(dbs_certificate_number)) > 12:
            raise forms.ValidationError('The certificate number should be 12 digits long')
        if len(str(dbs_certificate_number)) < 12:
            raise forms.ValidationError('The certificate number should be 12 digits long')
        form_check = household_member_dbs_form_duplicates_check(self.data)
        if not form_check.dbs_numbers_unique:
            if self.adult in form_check.duplicate_entry_indexes:
                logger.debug('Received following form data for other adults DBS entries:' + str(self.data))
                logger.debug('Marking adult ' + str(self.adult) + ' DBS number as duplicate')
                self.add_error('dbs_certificate_number', 'Please enter a different DBS number for each person')
        application_id = self.data['id']
        application = Application.objects.get(pk=application_id)
        household_member_dbs_to_test = self['dbs_certificate_number'].data
        childminder_dbs_check = childminder_dbs_number_duplication_check(application, household_member_dbs_to_test)
        if childminder_dbs_check.duplicates_childminder_dbs:
            self.add_error('dbs_certificate_number', 'Please enter a DBS number that is different from your own')
        return dbs_certificate_number
<|end_body_1|>

Solution:
class OtherPeopleAdultDBSForm:
    """GOV.UK form for the People in your home: adult DBS page"""

    def __init__(self, *args, **kwargs):
        """Method to configure the initialisation of the People in your home: adult DBS form :param args: arguments passed to the form :param kwargs: keyword arguments passed to the form, e.g. application ID"""
        self.application_id_local = kwargs.pop('id')
        self.adult = kwargs.pop('adult')
        self.name = kwargs.pop('name')
        super(OtherPeopleAdultDBSForm, self).__init__(*args, **kwargs)
        full_stop_stripper(self)
        if AdultInHome.objects.filter(application_id=self.application_id_local, adult=self.adult).count() > 0:
            adult_record = AdultInHome.objects.get(application_id=self.application_id_local, adult=self.adult)
            self.fields['dbs_certificate_number'].initial = adult_record.dbs_certificate_number
            self.pk = adult_record.adult_id
            self.field_list = ['dbs_certificate_number']

    def clean_dbs_certificate_number(self):
        """DBS certificate number validation :return: integer"""
        dbs_certification_key = str(self.prefix) + '-dbs_certificate_number'
        dbs_certificate_number = self.data[dbs_certification_key]
        if len(str(dbs_certificate_number)) > 12:
            raise forms.ValidationError('The certificate number should be 12 digits long')
        if len(str(dbs_certificate_number)) < 12:
            raise forms.ValidationError('The certificate number should be 12 digits long')
        form_check = household_member_dbs_form_duplicates_check(self.data)
        if not form_check.dbs_numbers_unique:
            if self.adult in form_check.duplicate_entry_indexes:
                logger.debug('Received following form data for other adults DBS entries:' + str(self.data))
                logger.debug('Marking adult ' + str(self.adult) + ' DBS number as duplicate')
                self.add_error('dbs_certificate_number', 'Please enter a different DBS number for each person')
        application_id = self.data['id']
        application = Application.objects.get(pk=application_id)
        household_member_dbs_to_test = self['dbs_certificate_number'].data
        childminder_dbs_check = childminder_dbs_number_duplication_check(application, household_member_dbs_to_test)
        if childminder_dbs_check.duplicates_childminder_dbs:
            self.add_error('dbs_certificate_number', 'Please enter a DBS number that is different from your own')
        return dbs_certificate_number


Prompt:
Implement the Python class `ProcDirectory` described below.

Class description:
Class manages the list of supported /proc sub-files we have classes for. As well as printing the information contained in them to stdout.

Method signatures and docstrings:
- def dump_base(self): Creates instances of all the file abstractions from the root /proc directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function.
- def dump_proc(self, pid): Creates instances of all the file abstractions from the /proc/[pid] directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function.
- def dump_net(self): Creates instances of all the file abstractions from the /proc/net directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function.
- def dump_sys(self): Creates instances of all the file abstractions from the /proc/sys directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function.

Implement the Python class `ProcDirectory` described below.

Class description:
Class manages the list of supported /proc sub-files we have classes for. As well as printing the information contained in them to stdout.

Method signatures and docstrings:
- def dump_base(self): Creates instances of all the file abstractions from the root /proc directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function.
- def dump_proc(self, pid): Creates instances of all the file abstractions from the /proc/[pid] directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function.
- def dump_net(self): Creates instances of all the file abstractions from the /proc/net directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function.
- def dump_sys(self): Creates instances of all the file abstractions from the /proc/sys directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function.

<|skeleton|>
class ProcDirectory:
    """Class manages the list of supported /proc sub-files we have classes for. As well as printing the information contained in them to stdout."""

    def dump_base(self):
        """Creates instances of all the file abstractions from the root /proc directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function."""
        <|body_0|>

    def dump_proc(self, pid):
        """Creates instances of all the file abstractions from the /proc/[pid] directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function."""
        <|body_1|>

    def dump_net(self):
        """Creates instances of all the file abstractions from the /proc/net directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function."""
        <|body_2|>

    def dump_sys(self):
        """Creates instances of all the file abstractions from the /proc/sys directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function."""
        <|body_3|>

<|end_skeleton|>

<|body_start_0|>
        base_wrappers = [ProcStat(), ProcSwaps(), ProcUptime(), ProcVersion(), ProcBuddyInfo(), ProcCpuInfo(), ProcMemInfo(), ProcFileSystems(), ProcCrypto(), ProcInterrupts(), ProcPartitions(), ProcModules()]
        for _file in base_wrappers:
            _file.dump()
<|end_body_0|>

<|body_start_1|>
        pid_wrappers = [ProcCmdline(pid), ProcEnviron(pid), ProcStack(pid), ProcStatus(pid), ProcOomScore(pid), ProcMaps(pid), ProcIO(pid), ProcMounts(pid), ProcFdInfo(pid)]
        for _file in pid_wrappers:
            _file.dump()
<|end_body_1|>

<|body_start_2|>
        net_wrappers = [ProcARP(), ProcNetDev(), ProcProtocols()]
        for _file in net_wrappers:
            _file.dump()
<|end_body_2|>

<|body_start_3|>
        sys_wrappers = [ProcVSyscall(), ProcFileNR(), ProcInodeNR(), ProcDumpable(), ProcPidMax(), ProcThreadMax()]
        for _file in sys_wrappers:
            _file.dump()
<|end_body_3|>

Solution:
class ProcDirectory:
    """Class manages the list of supported /proc sub-files we have classes for. As well as printing the information contained in them to stdout."""

    def dump_base(self):
        """Creates instances of all the file abstractions from the root /proc directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function."""
        base_wrappers = [ProcStat(), ProcSwaps(), ProcUptime(), ProcVersion(), ProcBuddyInfo(), ProcCpuInfo(), ProcMemInfo(), ProcFileSystems(), ProcCrypto(), ProcInterrupts(), ProcPartitions(), ProcModules()]
        for _file in base_wrappers:
            _file.dump()

    def dump_proc(self, pid):
        """Creates instances of all the file abstractions from the /proc/[pid] directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function."""
        pid_wrappers = [ProcCmdline(pid), ProcEnviron(pid), ProcStack(pid), ProcStatus(pid), ProcOomScore(pid), ProcMaps(pid), ProcIO(pid), ProcMounts(pid), ProcFdInfo(pid)]
        for _file in pid_wrappers:
            _file.dump()

    def dump_net(self):
        """Creates instances of all the file abstractions from the /proc/net directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function."""
        net_wrappers = [ProcARP(), ProcNetDev(), ProcProtocols()]
        for _file in net_wrappers:
            _file.dump()

    def dump_sys(self):
        """Creates instances of all the file abstractions from the /proc/sys directory, inheriting from procBase. Then iterates over all files and prints their details to stdout using overridden procBase dump() function."""
        sys_wrappers = [ProcVSyscall(), ProcFileNR(), ProcInodeNR(), ProcDumpable(), ProcPidMax(), ProcThreadMax()]
        for _file in sys_wrappers:
            _file.dump()


Prompt:
Implement the Python class `RegistrationForm` described below.

Class description:
Form for user site

Method signatures and docstrings:
- def validate_username(self, username): To validate the username if it is already exist :param username: username on the form :return: if username submitted form is already exist, return error
- def validate_email(self, email): To validate the email if it is already exist :param email: email on the form :return: if email submitted form is already exist, return error

Implement the Python class `RegistrationForm` described below.

Class description:
Form for user site

Method signatures and docstrings:
- def validate_username(self, username): To validate the username if it is already exist :param username: username on the form :return: if username submitted form is already exist, return error
- def validate_email(self, email): To validate the email if it is already exist :param email: email on the form :return: if email submitted form is already exist, return error

<|skeleton|>
class RegistrationForm:
    """Form for user site"""

    def validate_username(self, username):
        """To validate the username if it is already exist :param username: username on the form :return: if username submitted form is already exist, return error"""
        <|body_0|>

    def validate_email(self, email):
        """To validate the email if it is already exist :param email: email on the form :return: if email submitted form is already exist, return error"""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        user = User.query.filter_by(username=username.data).first()
        if user:
            raise ValidationError('The username is used already')
<|end_body_0|>

<|body_start_1|>
        email = User.query.filter_by(email=email.data).first()
        if email:
            raise ValidationError('The email is used already')
<|end_body_1|>

Solution:
class RegistrationForm:
    """Form for user site"""

    def validate_username(self, username):
        """To validate the username if it is already exist :param username: username on the form :return: if username submitted form is already exist, return error"""
        user = User.query.filter_by(username=username.data).first()
        if user:
            raise ValidationError('The username is used already')

    def validate_email(self, email):
        """To validate the email if it is already exist :param email: email on the form :return: if email submitted form is already exist, return error"""
        email = User.query.filter_by(email=email.data).first()
        if email:
            raise ValidationError('The email is used already')


patch

Prompt:
Implement the Python class `WorkflowCollectionEngagementView` described below.

Class description:
**Supported HTTP Methods** * Get: Retrieve a detailed representation of a specific Workflow Engagement owned by the requesting user. * Patch: Modifying an existing Workflow Engagement resource owned by the requesting user.

Method signatures and docstrings:
- def get(self, request, id): GET a WorkflowCollectionEngagement representation for current user. Path Parameters: id (str): The UUID of the WorkflowCollectionEngagement to retrieve. Returns: A HTTP response containing a dict-like JSON representation of the engagement target with a 200 status code. { "self_detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264dd6-0e53-4c39-9473-2d0888405532/", "workflow_collection": "http://127.0.0.1:8000/workflow_system/collections/c7b1940f-f19d-49ab-9ed5-7161dd185087/", "started": "2021-04-09T19:36:52Z", "finished": null, "workflowcollectionengagementdetail_set": [ { "detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264d
- def patch(self, request, id): PATCH Workflow User Engagement details update for current user. Path Parameters: id (str): The UUID of the workflow user engagement target to modify. Body Parameters: workflow_collection (foreign key): The Workflow Collection object associated with the engagement. user (foreign key): The User object who is engaging the Workflow. started (datetime): The start date for the engagement. finished (datetime): The finish date for the engagement. Returns: A HTTP response object that depending on the result of the operation will have varying status codes and payloads. { "self_detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264dd6-0e53-4c39-9473-2d0888405532/", "work

Implement the Python class `WorkflowCollectionEngagementView` described below.

Class description:
**Supported HTTP Methods** * Get: Retrieve a detailed representation of a specific Workflow Engagement owned by the requesting user. * Patch: Modifying an existing Workflow Engagement resource owned by the requesting user.

Method signatures and docstrings:
- def get(self, request, id): GET a WorkflowCollectionEngagement representation for current user. Path Parameters: id (str): The UUID of the WorkflowCollectionEngagement to retrieve. Returns: A HTTP response containing a dict-like JSON representation of the engagement target with a 200 status code. { "self_detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264dd6-0e53-4c39-9473-2d0888405532/", "workflow_collection": "http://127.0.0.1:8000/workflow_system/collections/c7b1940f-f19d-49ab-9ed5-7161dd185087/", "started": "2021-04-09T19:36:52Z", "finished": null, "workflowcollectionengagementdetail_set": [ { "detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264d
- def patch(self, request, id): PATCH Workflow User Engagement details update for current user. Path Parameters: id (str): The UUID of the workflow user engagement target to modify. Body Parameters: workflow_collection (foreign key): The Workflow Collection object associated with the engagement. user (foreign key): The User object who is engaging the Workflow. started (datetime): The start date for the engagement. finished (datetime): The finish date for the engagement. Returns: A HTTP response object that depending on the result of the operation will have varying status codes and payloads. { "self_detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264dd6-0e53-4c39-9473-2d0888405532/", "work

<|skeleton|>
class WorkflowCollectionEngagementView:
    """**Supported HTTP Methods** * Get: Retrieve a detailed representation of a specific Workflow Engagement owned by the requesting user. * Patch: Modifying an existing Workflow Engagement resource owned by the requesting user."""

    def get(self, request, id):
        """GET a WorkflowCollectionEngagement representation for current user. Path Parameters: id (str): The UUID of the WorkflowCollectionEngagement to retrieve. Returns: A HTTP response containing a dict-like JSON representation of the engagement target with a 200 status code. { "self_detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264dd6-0e53-4c39-9473-2d0888405532/", "workflow_collection": "http://127.0.0.1:8000/workflow_system/collections/c7b1940f-f19d-49ab-9ed5-7161dd185087/", "started": "2021-04-09T19:36:52Z", "finished": null, "workflowcollectionengagementdetail_set": [ { "detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264d"""
        <|body_0|>

    def patch(self, request, id):
        """PATCH Workflow User Engagement details update for current user. Path Parameters: id (str): The UUID of the workflow user engagement target to modify. Body Parameters: workflow_collection (foreign key): The Workflow Collection object associated with the engagement. user (foreign key): The User object who is engaging the Workflow. started (datetime): The start date for the engagement. finished (datetime): The finish date for the engagement. Returns: A HTTP response object that depending on the result of the operation will have varying status codes and payloads. { "self_detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264dd6-0e53-4c39-9473-2d0888405532/", "work"""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        user_engagement = get_object_or_404(WorkflowCollectionEngagement, id=id, user=request.user.id)
        serializer = WorkflowCollectionEngagementDetailedSerializer(user_engagement, context={'request': request})
        data = serializer.data
        data['state'] = serializer.data['state']
        if data['workflowcollectionengagementdetail_set'] and data['workflowcollectionengagementdetail_set'][-1]['user_responses'] and ('inputs' in data['workflowcollectionengagementdetail_set'][-1]['user_responses'][-1].keys()):
            user_inputs = data['workflowcollectionengagementdetail_set'][-1]['user_responses'][-1]['inputs']
            print('Something to evaluate')
            checker = [entry['is_valid'] for entry in user_inputs]
            data['state']['proceed'] = False if False in checker else True
        else:
            data['state']['proceed'] = True
        return Response(data=data)
<|end_body_0|>

<|body_start_1|>
        user_engagement = get_object_or_404(WorkflowCollectionEngagement, id=id, user=request.user.id)
        originally_unfinished = not user_engagement.finished
        serializer = WorkflowCollectionEngagementDetailedSerializer(user_engagement, data=request.data, partial=True, context={'request': request})
        try:
            serializer.is_valid(raise_exception=True)
        except ValidationError as e:
            logger.error('Error validating Workflow Collection Engagement', exc_info=e, extra=generate_extra(request=request, workflow_collection_engagement=user_engagement, serializer_errors=serializer.errors))
            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
        else:
            instance: WorkflowCollectionEngagement = serializer.save()
            if instance.finished and originally_unfinished:
                logger.info("User '%s' completed workflow collection '%s' version '%d'", request.user.username, instance.workflow_collection.code, instance.workflow_collection.version, extra=generate_extra(event_code='WORKFLOW_COLLECTION_ENGAGEMENT_COMPLETED', request=request, workflow_collection_engagement=instance))
            return Response(serializer.data)
<|end_body_1|>

Solution:
class WorkflowCollectionEngagementView:
    """**Supported HTTP Methods** * Get: Retrieve a detailed representation of a specific Workflow Engagement owned by the requesting user. * Patch: Modifying an existing Workflow Engagement resource owned by the requesting user."""

    def get(self, request, id):
        """GET a WorkflowCollectionEngagement representation for current user. Path Parameters: id (str): The UUID of the WorkflowCollectionEngagement to retrieve. Returns: A HTTP response containing a dict-like JSON representation of the engagement target with a 200 status code. { "self_detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264dd6-0e53-4c39-9473-2d0888405532/", "workflow_collection": "http://127.0.0.1:8000/workflow_system/collections/c7b1940f-f19d-49ab-9ed5-7161dd185087/", "started": "2021-04-09T19:36:52Z", "finished": null, "workflowcollectionengagementdetail_set": [ { "detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264d"""
        user_engagement = get_object_or_404(WorkflowCollectionEngagement, id=id, user=request.user.id)
        serializer = WorkflowCollectionEngagementDetailedSerializer(user_engagement, context={'request': request})
        data = serializer.data
        data['state'] = serializer.data['state']
        if data['workflowcollectionengagementdetail_set'] and data['workflowcollectionengagementdetail_set'][-1]['user_responses'] and ('inputs' in data['workflowcollectionengagementdetail_set'][-1]['user_responses'][-1].keys()):
            user_inputs = data['workflowcollectionengagementdetail_set'][-1]['user_responses'][-1]['inputs']
            print('Something to evaluate')
            checker = [entry['is_valid'] for entry in user_inputs]
            data['state']['proceed'] = False if False in checker else True
        else:
            data['state']['proceed'] = True
        return Response(data=data)

    def patch(self, request, id):
        """PATCH Workflow User Engagement details update for current user. Path Parameters: id (str): The UUID of the workflow user engagement target to modify. Body Parameters: workflow_collection (foreign key): The Workflow Collection object associated with the engagement. user (foreign key): The User object who is engaging the Workflow. started (datetime): The start date for the engagement. finished (datetime): The finish date for the engagement. Returns: A HTTP response object that depending on the result of the operation will have varying status codes and payloads. { "self_detail": "http://127.0.0.1:8000/workflow_system/users/self/workflows/engagements/9b264dd6-0e53-4c39-9473-2d0888405532/", "work"""
        user_engagement = get_object_or_404(WorkflowCollectionEngagement, id=id, user=request.user.id)
        originally_unfinished = not user_engagement.finished
        serializer = WorkflowCollectionEngagementDetailedSerializer(user_engagement, data=request.data, partial=True, context={'request': request})
        try:
            serializer.is_valid(raise_exception=True)
        except ValidationError as e:
            logger.error('Error validating Workflow Collection Engagement', exc_info=e, extra=generate_extra(request=request, workflow_collection_engagement=user_engagement, serializer_errors=serializer.errors))
            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
        else:
            instance: WorkflowCollectionEngagement = serializer.save()
            if instance.finished and originally_unfinished:
                logger.info("User '%s' completed workflow collection '%s' version '%d'", request.user.username, instance.workflow_collection.code, instance.workflow_collection.version, extra=generate_extra(event_code='WORKFLOW_COLLECTION_ENGAGEMENT_COMPLETED', request=request, workflow_collection_engagement=instance))
            return Response(serializer.data)


Prompt:
Implement the Python class `SignRequest` described below.

Class description:
Implementation of the 'SignRequest' model. TODO: type model description here. Attributes: data_to_sign (string): Base 64 encoded data data_format (DataFormat): Format of data (i.e xml) external_reference (string): The service reference for the signing. Will be used for auditlog, and invoicing xslt (string): Base 64 encoded xslt (optional) signing_format (SigningFormat): Optional, if not set the default setting for the account will be used

Method signatures and docstrings:
- def __init__(self, data_to_sign=None, data_format=None, external_reference=None, xslt=None, signing_format=None, additional_properties={}): Constructor for the SignRequest class
- def from_dictionary(cls, dictionary): Creates an instance of this model from a dictionary Args: dictionary (dictionary): A dictionary representation of the object as obtained from the deserialization of the server's response. The keys MUST match property names in the API description. Returns: object: An instance of this structure class.

Implement the Python class `SignRequest` described below.

Class description:
Implementation of the 'SignRequest' model. TODO: type model description here. Attributes: data_to_sign (string): Base 64 encoded data data_format (DataFormat): Format of data (i.e xml) external_reference (string): The service reference for the signing. Will be used for auditlog, and invoicing xslt (string): Base 64 encoded xslt (optional) signing_format (SigningFormat): Optional, if not set the default setting for the account will be used

Method signatures and docstrings:
- def __init__(self, data_to_sign=None, data_format=None, external_reference=None, xslt=None, signing_format=None, additional_properties={}): Constructor for the SignRequest class
- def from_dictionary(cls, dictionary): Creates an instance of this model from a dictionary Args: dictionary (dictionary): A dictionary representation of the object as obtained from the deserialization of the server's response. The keys MUST match property names in the API description. Returns: object: An instance of this structure class.

<|skeleton|>
class SignRequest:
    """Implementation of the 'SignRequest' model. TODO: type model description here. Attributes: data_to_sign (string): Base 64 encoded data data_format (DataFormat): Format of data (i.e xml) external_reference (string): The service reference for the signing. Will be used for auditlog, and invoicing xslt (string): Base 64 encoded xslt (optional) signing_format (SigningFormat): Optional, if not set the default setting for the account will be used"""

    def __init__(self, data_to_sign=None, data_format=None, external_reference=None, xslt=None, signing_format=None, additional_properties={}):
        """Constructor for the SignRequest class"""
        <|body_0|>

    def from_dictionary(cls, dictionary):
        """Creates an instance of this model from a dictionary Args: dictionary (dictionary): A dictionary representation of the object as obtained from the deserialization of the server's response. The keys MUST match property names in the API description. Returns: object: An instance of this structure class."""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        self.data_to_sign = data_to_sign
        self.data_format = data_format
        self.external_reference = external_reference
        self.xslt = xslt
        self.signing_format = signing_format
        self.additional_properties = additional_properties
<|end_body_0|>

<|body_start_1|>
        if dictionary is None:
            return None
        data_to_sign = dictionary.get('dataToSign')
        data_format = dictionary.get('dataFormat')
        external_reference = dictionary.get('externalReference')
        xslt = dictionary.get('xslt')
        signing_format = dictionary.get('signingFormat')
        for key in cls._names.values():
            if key in dictionary:
                del dictionary[key]
        return cls(data_to_sign, data_format, external_reference, xslt, signing_format, dictionary)
<|end_body_1|>

Solution:
class SignRequest:
    """Implementation of the 'SignRequest' model. TODO: type model description here. Attributes: data_to_sign (string): Base 64 encoded data data_format (DataFormat): Format of data (i.e xml) external_reference (string): The service reference for the signing. Will be used for auditlog, and invoicing xslt (string): Base 64 encoded xslt (optional) signing_format (SigningFormat): Optional, if not set the default setting for the account will be used"""

    def __init__(self, data_to_sign=None, data_format=None, external_reference=None, xslt=None, signing_format=None, additional_properties={}):
        """Constructor for the SignRequest class"""
        self.data_to_sign = data_to_sign
        self.data_format = data_format
        self.external_reference = external_reference
        self.xslt = xslt
        self.signing_format = signing_format
        self.additional_properties = additional_properties

    def from_dictionary(cls, dictionary):
        """Creates an instance of this model from a dictionary Args: dictionary (dictionary): A dictionary representation of the object as obtained from the deserialization of the server's response. The keys MUST match property names in the API description. Returns: object: An instance of this structure class."""
        if dictionary is None:
            return None
        data_to_sign = dictionary.get('dataToSign')
        data_format = dictionary.get('dataFormat')
        external_reference = dictionary.get('externalReference')
        xslt = dictionary.get('xslt')
        signing_format = dictionary.get('signingFormat')
        for key in cls._names.values():
            if key in dictionary:
                del dictionary[key]
        return cls(data_to_sign, data_format, external_reference, xslt, signing_format, dictionary)


validate

Prompt:
Implement the Python class `CreateRideSerialier` described below.

Class description:
Create ride serializer

Method signatures and docstrings:
- def validate_departure_date(self, data): Verify date is not in the past
- def validate(self, data): Validate Verify that the person who offers the ride is member and also the same user making the request
- def create(self, data): Create ride and update stats

Implement the Python class `CreateRideSerialier` described below.

Class description:
Create ride serializer

Method signatures and docstrings:
- def validate_departure_date(self, data): Verify date is not in the past
- def validate(self, data): Validate Verify that the person who offers the ride is member and also the same user making the request
- def create(self, data): Create ride and update stats

<|skeleton|>
class CreateRideSerialier:
    """Create ride serializer"""

    def validate_departure_date(self, data):
        """Verify date is not in the past"""
        <|body_0|>

    def validate(self, data):
        """Validate Verify that the person who offers the ride is member and also the same user making the request"""
        <|body_1|>

    def create(self, data):
        """Create ride and update stats"""
        <|body_2|>

<|end_skeleton|>

<|body_start_0|>
        print(data)
        min_date = timezone.now() + timedelta(minutes=10)
        if data <= min_date:
            raise serializers.ValidationError('Departure time must be at least pass the next 20 minutes window')
        return data
<|end_body_0|>

<|body_start_1|>
        if self.context['request'].user != data['offered_by']:
            raise serializer.ValidationError('Ride offered on behalf of others are not allowed')
        user = data['offered_by']
        circle = self.context['circle']
        try:
            membership = MemberShip.objects.get(user=user, circle=circle, is_active=True)
        except MemberShip.DoesNotExist:
            raise serializers.ValidationError('user is not an active member of circle')
        if data['arrival_date'] <= data['departure_date']:
            raise serializers.ValidationError('Departure date must happen offer arrival date')
        self.context['membership'] = membership
        return data
<|end_body_1|>

<|body_start_2|>
        circle = self.context['circle']
        ride = Rides.objects.create(**data, offered_in=circle)
        circle.rides_offered += 1
        circle.save()
        membership = self.context['membership']
        membership.rides_offered += 1
        membership.save()
        profile = data['offered_by'].profile
        profile.rides_offered += 1
        profile.save()
        return ride
<|end_body_2|>

Solution:
class CreateRideSerialier:
    """Create ride serializer"""

    def validate_departure_date(self, data):
        """Verify date is not in the past"""
        print(data)
        min_date = timezone.now() + timedelta(minutes=10)
        if data <= min_date:
            raise serializers.ValidationError('Departure time must be at least pass the next 20 minutes window')
        return data

    def validate(self, data):
        """Validate Verify that the person who offers the ride is member and also the same user making the request"""
        if self.context['request'].user != data['offered_by']:
            raise serializer.ValidationError('Ride offered on behalf of others are not allowed')
        user = data['offered_by']
        circle = self.context['circle']
        try:
            membership = MemberShip.objects.get(user=user, circle=circle, is_active=True)
        except MemberShip.DoesNotExist:
            raise serializers.ValidationError('user is not an active member of circle')
        if data['arrival_date'] <= data['departure_date']:
            raise serializers.ValidationError('Departure date must happen offer arrival date')
        self.context['membership'] = membership
        return data

    def create(self, data):
        """Create ride and update stats"""
        circle = self.context['circle']
        ride = Rides.objects.create(**data, offered_in=circle)
        circle.rides_offered += 1
        circle.save()
        membership = self.context['membership']
        membership.rides_offered += 1
        membership.save()
        profile = data['offered_by'].profile
        profile.rides_offered += 1
        profile.save()
        return ride


ipInList

Prompt:
Implement the Python class `IPCheck` described below.

Class description:
Implement the IPCheck class.

Method signatures and docstrings:
- def checkIfIP(ip: str): Checks if the provided string is a valid IPv4 or IPv6 address This function either returns an ipaddress object or None :param ip: IP address in string format :type ip: str :return: Returns an ipaddress object :rtype: ipaddress
- def ipInList(u_ip, ip_list): Check if an unknown IP address (not network), (u_ip) is in a provided list (ip_list) :param u_ip: IP address :param ip_list: List of IP addresses or networks :return: True if u_ip in ip_list; False if u_ip NOT in ip_list

Implement the Python class `IPCheck` described below.

Class description:
Implement the IPCheck class.

Method signatures and docstrings:
- def checkIfIP(ip: str): Checks if the provided string is a valid IPv4 or IPv6 address This function either returns an ipaddress object or None :param ip: IP address in string format :type ip: str :return: Returns an ipaddress object :rtype: ipaddress
- def ipInList(u_ip, ip_list): Check if an unknown IP address (not network), (u_ip) is in a provided list (ip_list) :param u_ip: IP address :param ip_list: List of IP addresses or networks :return: True if u_ip in ip_list; False if u_ip NOT in ip_list

<|skeleton|>
class IPCheck:

    def checkIfIP(ip: str):
        """Checks if the provided string is a valid IPv4 or IPv6 address This function either returns an ipaddress object or None :param ip: IP address in string format :type ip: str :return: Returns an ipaddress object :rtype: ipaddress"""
        <|body_0|>

    def ipInList(u_ip, ip_list):
        """Check if an unknown IP address (not network), (u_ip) is in a provided list (ip_list) :param u_ip: IP address :param ip_list: List of IP addresses or networks :return: True if u_ip in ip_list; False if u_ip NOT in ip_list"""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        try:
            return ip_address(ip)
        except ValueError:
            try:
                return ip_network(ip, strict=False)
            except ValueError:
                raise IPToolsExceptions.NotValidIP("'{}' is not a valid IP network or address".format(ip)) from None
<|end_body_0|>

<|body_start_1|>
        for i in ip_list:
            if isinstance(i, IPv4Address or isinstance(i, IPv6Address)):
                if u_ip == i:
                    return True
            elif isinstance(i, IPv4Network) or isinstance(i, IPv6Network):
                if u_ip in i:
                    return True
        return False
<|end_body_1|>

Solution:
class IPCheck:
    def checkIfIP(ip: str):
        """Checks if the provided string is a valid IPv4 or IPv6 address This function either returns an ipaddress object or None :param ip: IP address in string format :type ip: str :return: Returns an ipaddress object :rtype: ipaddress"""
        try:
            return ip_address(ip)
        except ValueError:
            try:
                return ip_network(ip, strict=False)
            except ValueError:
                raise IPToolsExceptions.NotValidIP("'{}' is not a valid IP network or address".format(ip)) from None

    def ipInList(u_ip, ip_list):
        """Check if an unknown IP address (not network), (u_ip) is in a provided list (ip_list) :param u_ip: IP address :param ip_list: List of IP addresses or networks :return: True if u_ip in ip_list; False if u_ip NOT in ip_list"""
        for i in ip_list:
            if isinstance(i, IPv4Address or isinstance(i, IPv6Address)):
                if u_ip == i:
                    return True
            elif isinstance(i, IPv4Network) or isinstance(i, IPv6Network):
                if u_ip in i:
                    return True
        return False


deserialize

Prompt:
Implement the Python class `Codec` described below.

Class description:
Implement the Codec class.

Method signatures and docstrings:
- def serialize(self, root): Encodes a tree to a single string. :type root: TreeNode :rtype: str
- def deserialize(self, data): Decodes your encoded data to tree. :type data: str :rtype: TreeNode

Implement the Python class `Codec` described below.

Class description:
Implement the Codec class.

Method signatures and docstrings:
- def serialize(self, root): Encodes a tree to a single string. :type root: TreeNode :rtype: str
- def deserialize(self, data): Decodes your encoded data to tree. :type data: str :rtype: TreeNode

<|skeleton|>
class Codec:

    def serialize(self, root):
        """Encodes a tree to a single string. :type root: TreeNode :rtype: str"""
        <|body_0|>

    def deserialize(self, data):
        """Decodes your encoded data to tree. :type data: str :rtype: TreeNode"""
        <|body_1|>

<|end_skeleton|>

<|body_start_0|>
        if not root:
            return ''
        queue = deque()
        queue.append(root)
        res = ''
        while len(queue):
            node = queue.popleft()
            if not node:
                res += 'n '
                continue
            res += str(node.val) + ' '
            queue.append(node.left)
            queue.append(node.right)
        return res
<|end_body_0|>

<|body_start_1|>
        if data == '':
            return None
        queue = deque()
        values = data.split()
        root = TreeNode(int(values[0]))
        queue.append(root)
        i = 1
        while i < len(values):
            parent = queue.popleft()
            if values[i] != 'n':
                left = TreeNode(int(values[i]))
                parent.left = left
                queue.append(left)
            i += 1
            if values[i] != 'n':
                right = TreeNode(int(values[i]))
                parent.right = right
                queue.append(right)
            i += 1
        return root
<|end_body_1|>

Solution:
class Codec:
    def serialize(self, root):
        """Encodes a tree to a single string. :type root: TreeNode :rtype: str"""
        if not root:
            return ''
        queue = deque()
        queue.append(root)
        res = ''
        while len(queue):
            node = queue.popleft()
            if not node:
                res += 'n '
                continue
            res += str(node.val) + ' '
            queue.append(node.left)
            queue.append(node.right)
        return res

    def deserialize(self, data):
        """Decodes your encoded data to tree. :type data: str :rtype: TreeNode"""
        if data == '':
            return None
        queue = deque()
        values = data.split()
        root = TreeNode(int(values[0]))
        queue.append(root)
        i = 1
        while i < len(values):
            parent = queue.popleft()
            if values[i] != 'n':
                left = TreeNode(int(values[i]))
                parent.left = left
                queue.append(left)
            i += 1
            if values[i] != 'n':
                right = TreeNode(int(values[i]))
                parent.right = right
                queue.append(right)
            i += 1
        return root


Prompt:
Implement the Python class `ApiWorkflow` described below.

Class description:
Implement the ApiWorkflow class.

Method signatures and docstrings:
- async def get(self, request, iid): Return a workflow instance
- async def post(self, request, iid): Suspend/resume a runnning workflow.
- async def delete(self, request, iid): Cancel a workflow instance.

Implement the Python class `ApiWorkflow` described below.

Class description:
Implement the ApiWorkflow class.

Method signatures and docstrings:
- async def get(self, request, iid): Return a workflow instance
- async def post(self, request, iid): Suspend/resume a runnning workflow.
- async def delete(self, request, iid): Cancel a workflow instance.

<|skeleton|>
class ApiWorkflow:

    async def get(self, request, iid):
        """Return a workflow instance"""
        <|body_0|>

    async def post(self, request, iid):
        """Suspend/resume a runnning workflow."""
        <|body_1|>

    async def delete(self, request, iid):
        """Cancel a workflow instance."""
        <|body_2|>

<|end_skeleton|>

<|body_start_0|>
        try:
            return Response(self.nyuki.running_workflows[iid].report(data=False))
        except KeyError:
            return Response(status=404)
<|end_body_0|>

<|body_start_1|>
        try:
            wf = self.nyuki.running_workflows[iid]
        except KeyError:
            return Response(status=404)
        request = await request.json()
        try:
            action = request['action']
        except KeyError:
            return Response(status=400, body={'action parameter required'})
        if action == 'suspend':
            wf.instance.suspend()
        elif action == 'resume':
            wf.instance.resume()
        else:
            return Response(status=400, body={"action must be 'suspend' or 'resume'"})
        return Response(wf.report())
<|end_body_1|>

<|body_start_2|>
        try:
            self.nyuki.running_workflows[iid].instance.cancel()
        except KeyError:
            return Response(status=404)
<|end_body_2|>

Solution:
class ApiWorkflow:
    async def get(self, request, iid):
        """Return a workflow instance"""
        try:
            return Response(self.nyuki.running_workflows[iid].report(data=False))
        except KeyError:
            return Response(status=404)

    async def post(self, request, iid):
        """Suspend/resume a runnning workflow."""
        try:
            wf = self.nyuki.running_workflows[iid]
        except KeyError:
            return Response(status=404)
        request = await request.json()
        try:
            action = request['action']
        except KeyError:
            return Response(status=400, body={'action parameter required'})
        if action == 'suspend':
            wf.instance.suspend()
        elif action == 'resume':
            wf.instance.resume()
        else:
            return Response(status=400, body={"action must be 'suspend' or 'resume'"})
        return Response(wf.report())

    async def delete(self, request, iid):
        """Cancel a workflow instance."""
        try:
            self.nyuki.running_workflows[iid].instance.cancel()
        except KeyError:
            return Response(status=404)