new tool, get coin price

app.py

@@ -9,14 +9,35 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+def get_coin_price(symbol: str, currency: str = "usd")-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+    """A tool that fetches the latest price on a cryptocurrency symbol from Coingecko API.
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        symbol: A string representing a valid symbol as CoinGecko's ID, not ticker (e.g., 'bitcoin' not BTC).
+        currency: A string representing the currency the value is returned in (e.g., 'usd').
     """
-    return "What magic will you build ?"
+    #define the endpoint
+    url = f"https://api.coingecko.com/api/v3/simple/price"
+    
+    #format the parameters
+    params = {
+        "ids": symbol.lower(),
+        "vs_currencies": currency.lower()
+    }
+    
+    try:
+        #make request to endpoint
+        response = requests.get(url, params=params)
+        
+        #process response
+        if response.status_code == 200:
+            data = response.json()
+            return data.get(symbol.lower(), {}).get(currency.lower(), None)
+        else:
+            # returrn verbose error, so the model can observe and ReAct
+            return f"Error: {response.status_code}, {response.text}"
+    except Exception as e:
+        return f"Error fetching price for '{symbol}' valued in currency '{currency}': {str(e)}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -55,7 +76,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer, get_coin_price, get_current_time_in_timezone], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,