added chat tool

app.py

@@ -18,6 +18,34 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     """
     return "What magic will you build ?"
 
+chat_history = []  # Global variable to store conversation history
+
+@tool
+def chat_with_ai(message: str) -> str:
+    """A tool that allows the AI to engage in general conversation with memory.
+    Args:
+        message: The user's message.
+    """
+    global chat_history  # Keep track of past messages
+
+    # Limit conversation history to the last 5 messages
+    if len(chat_history) > 5:
+        chat_history.pop(0)  # Remove the oldest message
+
+    # Add the new message to history
+    chat_history.append({"role": "user", "content": message})
+
+    # Format history as context for the AI
+    formatted_history = "\n".join(f"{msg['role']}: {msg['content']}" for msg in chat_history)
+
+    # Generate AI response
+    response = model(formatted_history)  # AI model processes chat history
+
+    # Add AI response to history
+    chat_history.append({"role": "assistant", "content": response})
+
+    return response
+
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.
@@ -55,7 +83,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[my_custom_tool, chat_with_ai, get_current_time_in_timezone, final_answer], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,