Update app.py

app.py

@@ -7,6 +7,16 @@ from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
+
+@tool
+def factorial(n :int ) -> int:
+    """A tool for calculating the factorial of n.
+    Args:
+        n: number to calculate factorial
+    """
+    return n*factorial(n-1)
+    
+
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
@@ -57,7 +67,7 @@ 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, factorial], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,