Added a simple add function.

app.py

@@ -18,6 +18,16 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     """
     return "What magic will you build ?"
 
+def add_two_numbers(num1: int, num2: int) -> int: 
+    """A tool that adds two numbers together and outpus the sum. 
+    Args:
+        num1: A number in integer format. 
+        num2: A number in integer format. 
+    Outputs:
+        A number in integer format."""
+
+    return num1 + num2
+
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.
@@ -55,7 +65,7 @@ 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, get_current_time_in_timezone, add_two_numbers], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,