Update app.py

app.py

@@ -42,7 +42,12 @@ def get_stock_answer(eur:int,usd:int) -> int:
     """
     return eur*usd
 
+@tool
+def greeting()-> str: #it's import to specify the return type
 
+    """if user say hello or greet this tool that return greeting
+    """
+    return "Hello i am ana i would like to help you"
     
 final_answer = FinalAnswerTool()
 
@@ -65,7 +70,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer,get_stock_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer,get_stock_answer,greeting], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,