Update app.py

app.py

@@ -7,16 +7,6 @@ from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
-# 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
-    #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
-    Args:
-        arg1: the first argument
-        arg2: the second argument
-    """
-    return "What magic will you build ?"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -33,7 +23,33 @@ def get_current_time_in_timezone(timezone: str) -> str:
     except Exception as e:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
+@tool
+def simple_calculator(a: float, b: float, operation: str) -> float:
+    """
+    A calculator tool that performs basic arithmetic operations.
+    
+    Args:
+        a: First number.
+        b: Second number.
+        operation: The operation to perform. Supported values: '+', '-', '*', '/'.
+        
+    Returns:
+        The result of the operation.
+    """
+    if operation == '+':
+        return a + b
+    elif operation == '-':
+        return a - b
+    elif operation == '*':
+        return a * b
+    elif operation == '/':
+        if b == 0:
+            return "Error: Division by zero is not allowed."
+        return a / b
+    else:
+        return "Error: Unsupported operation."
 
+    
 final_answer = FinalAnswerTool()
 
 # If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
@@ -55,7 +71,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, get_current_time_in_timezone], ## add your tools here (don't remove final answer)
+    tools=[final_answer, get_current_time_in_timezone, simple_calculator], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,