Update app.py

app.py

@@ -15,6 +15,14 @@ def say_hi(name: str) -> str:
         name: one of pepole's name
     """
     return f"Hi '{name}', Can I help you?"
+
+@tool
+def buy(something: str) -> str:
+    """A tool that user want to buy something
+    Args:
+        something: anything that user want to buy
+    """
+    return f"shit, you have no money to buy '{something}'"
     
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
@@ -63,7 +71,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer,say_hi], ## add your tools here (don't remove final answer)
+    tools=[buy,final_answer,say_hi], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,