{
  "1": {"lang": "Python", "task": "Fix Python 2 Print", "context": "print 'Hello World'", "ans": "print("},
  "2": {"lang": "Python", "task": "Missing Colon in If", "context": "if True print('Success')", "ans": "True:"},
  "3": {"lang": "Python", "task": "Indentation Error", "context": "def f():\nreturn 1", "ans": "    return"},
  "4": {"lang": "JavaScript", "task": "Const Reassignment", "context": "const x=10; x=20;", "ans": "let x"},
  "5": {"lang": "JavaScript", "task": "Strict Equality", "context": "if (x == '5')", "ans": "==="},
  "6": {"lang": "Python", "task": "Import Error", "context": "from math import floor_div", "ans": "floor"},
  "7": {"lang": "Java", "task": "Missing Semicolon", "context": "int x = 5", "ans": "5;"},
  "8": {"lang": "Java", "task": "String Comparison", "context": "if (str == 'admin')", "ans": ".equals("},
  "9": {"lang": "Python", "task": "List Appending", "context": "my_list.add(5)", "ans": ".append("},
  "10": {"lang": "Python", "task": "JSON Loads Logic", "context": "json.load('{\"a\":1}')", "ans": "json.loads"},
  "11": {"lang": "C++", "task": "Pointer Syntax", "context": "int x = 5; int ptr = &x;", "ans": "int*"},
  "12": {"lang": "Python", "task": "Mutable Default Arg", "context": "def f(a=[])", "ans": "None"},
  "13": {"lang": "JavaScript", "task": "Template Literal", "context": "'Value: ' + x", "ans": "`${x}`"},
  "14": {"lang": "Python", "task": "Type Error", "context": "len(555)", "ans": "str(555)"},
  "15": {"lang": "Python", "task": "Dictionary Access", "context": "d.key", "ans": "d['key']"},
  "16": {"lang": "C++", "task": "Namespace Missing", "context": "cout << 'Hi';", "ans": "std::cout"},
  "17": {"lang": "Python", "task": "F-String Syntax", "context": "f'Val is {x'", "ans": "{x}"},
  "18": {"lang": "JavaScript", "task": "Undefined Check", "context": "if (x = undefined)", "ans": "==="},
  "19": {"lang": "Python", "task": "Except Block", "context": "except Error, e:", "ans": "as e:"},
  "20": {"lang": "Rust", "task": "Ownership/Borrow", "context": "let s2 = s1;", "ans": ".clone()"},
  "21": {"lang": "Python", "task": "Range Logic", "context": "range(10, 0)", "ans": "-1"},
  "22": {"lang": "Java", "task": "Main Method", "context": "void main(String args)", "ans": "static"},
  "23": {"lang": "Python", "task": "Open File Mode", "context": "open('f.txt', 'r').write()", "ans": "'w'"},
  "24": {"lang": "JavaScript", "task": "Async Missing", "context": "await fetch(url)", "ans": "async"},
  "25": {"lang": "Python", "task": "Class Init", "context": "def init(self):", "ans": "__init__"},
  "26": {"lang": "C++", "task": "Vector Access", "context": "v.at[0]", "ans": "v[0]"},
  "27": {"lang": "Python", "task": "Set Literal", "context": "s = {1, 1, 2}", "ans": "{1, 2}"},
  "28": {"lang": "JavaScript", "task": "Arrow Function", "context": "func = () => { x }", "ans": "return"},
  "29": {"lang": "Java", "task": "Boolean Value", "context": "boolean b = 1;", "ans": "true"},
  "30": {"lang": "Python", "task": "Super Call", "context": "super.init()", "ans": "super().__init__"},
  "31": {"lang": "Python", "task": "Global Keyword", "context": "x = 10; def f(): x = 5", "ans": "global x"},
  "32": {"lang": "JavaScript", "task": "Map Return", "context": "arr.map(x => { x * 2 })", "ans": "return"},
  "33": {"lang": "Python", "task": "Lambda Syntax", "context": "lambda x: return x", "ans": "x: x"},
  "34": {"lang": "Java", "task": "Final Variable", "context": "final int x = 1; x = 2;", "ans": "int x"},
  "35": {"lang": "Python", "task": "Init Self Missing", "context": "def __init__():", "ans": "(self)"},
  "36": {"lang": "C++", "task": "Memory Leak", "context": "int* p = new int[5];", "ans": "delete[]"},
  "37": {"lang": "Python", "task": "Zip Unpack", "context": "for a, b in zip(l1)", "ans": "l1, l2"},
  "38": {"lang": "JavaScript", "task": "Nullish Coalescing", "context": "x || 'default'", "ans": "??"},
  "39": {"lang": "Python", "task": "Format Specifier", "context": "'%.2f' % 'str'", "ans": "1.23"},
  "40": {"lang": "Java", "task": "Inheritance", "context": "class A implements B", "ans": "extends"},
  "41": {"lang": "Python", "task": "Docstring", "context": "'This is doc' def f():", "ans": "def f():\n    \"\"\""},
  "42": {"lang": "JavaScript", "task": "Promise Resolve", "context": "new Promise((res) => res)", "ans": "res()"},
  "43": {"lang": "Python", "task": "Sort Key", "context": "list.sort(key=None)", "ans": "lambda"},
  "44": {"lang": "C++", "task": "For Loop Iterator", "context": "for(i=0; i<5; i++)", "ans": "int i"},
  "45": {"lang": "Python", "task": "Regex Escape", "context": "re.search('\\d', s)", "ans": "r'\\d'"},
  "46": {"lang": "Java", "task": "ArrayList Type", "context": "List<int> l;", "ans": "Integer"},
  "47": {"lang": "Python", "task": "Static Method", "context": "def f(self):", "ans": "@staticmethod"},
  "48": {"lang": "JavaScript", "task": "Module Export", "context": "export f(){}", "ans": "export function"},
  "49": {"lang": "Python", "task": "Async Loop", "context": "for x in async_gen():", "ans": "async for"},
  "50": {"lang": "Python", "task": "Final Challenge", "context": "eval(input())", "ans": "ast.literal_eval"}
}