Update app.py

app.py

@@ -7,16 +7,41 @@ 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 !
+#S&P500 Sentiment StoryTeller
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+def market_sentiment_story(index:str)-> 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 current price of the a stock exchanges and based on whether the price is up or down generate a short story or explanation for why that might be — even if speculative.
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        index: A string representing one of the 3 major exchanges (e.g,'sp500','dowjones', or 'nasdaq')
     """
-    return "What magic will you build ?"
+    try:
+        # Map user input to Yahoo Finance symbols (I probably can make another function down the line)
+        ticker = {
+            "sp500": "^GSPC",
+            "dowjones": "^DJI",
+            "nasdaq": "^IXIC"
+        }
+        #Get the correct symbol for the requested index
+        ticker = symbols.get(index.lower())
+
+        # 3. Fetch data from Yahoo Finance
+        url = f"https://query1.finance.yahoo.com/v8/finance/chart/{symbol}"
+        data = requests.get(url).json()
+        
+        # 4. Extract current and previous prices
+        result = data["chart"]["result"][0]["meta"]
+        current = result["regularMarketPrice"]
+        previous = result["chartPreviousClose"]
+        change = current - previous
+        percent = (change / previous) * 100
+
+        # 5. Return a prompt for the LLM to generate a story
+        return (
+            f"The {index.upper()} is currently at {current:.2f}, "
+            f"which is a change of {percent:.2f}% from the previous close. "
+            f"Write a short, realistic story that explains why it moved in this direction."
+        )
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -55,7 +80,7 @@ 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, market_sentiment_story], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,