Create a tool of getting the stock price given the ticker symbol

Also add `get_stock_price` and `get_current_time_in_timezone` in the `tools` list.

app.py

@@ -3,20 +3,27 @@ import datetime
 import requests
 import pytz
 import yaml
+import yfinance as yf
 from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
-# Below is an example of a tool that does nothing. Amaze us with your creativity !
+# Tool of getting the stock price for a given stock symbol
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> 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 
+def get_stock_price(stock_symbol: str)-> str: 
+    """A tool that get the stock price for a given stock symbol by using the Yahoo Finance API.
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        stock_symbol: stock ticker symbol which is typically 1 to 5 letters long and is used to
+            identify a publicly traded company's shares on a stock exchange, e.g., MSFT, AMZN.
+
+    Returns:
+        current stock price in dollars.
     """
-    return "What magic will you build ?"
+    ticker = yf.Ticker(stock_symbol.upper())
+    price = ticker.info["regularMarketPrice"]
+        return f"The current stock price of {symbol.upper()} is ${price:.2f}."
+    except Exception as e:
+        return f"Failed to retrieve stock price for {symbol}: {str(e)}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -55,7 +62,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[search_tool, final_answer], ## add your tools here (don't remove final answer)
+    tools=[get_stock_price, get_current_time_in_timezone, search_tool, final_answer], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,