add calculator

app.py

@@ -4,19 +4,27 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+from typing import Literal
+import math
 
 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
+def crazy_calculator(*args: float, operation: Literal["sum", "mul"])-> float: #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 
+    """A calculator that is designed for sum and multiply numbers.
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        *args: a seriers of float
+        operation: the operation to be conducted where sum meaning sum up all items, mul meaning multiply all items. 
     """
-    return "What magic will you build ?"
+    match operation:
+        case "sum":
+            result = sum(args)
+        case "mul":
+            result = math.prod(args)
+            
+    return result
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -55,7 +63,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, get_current_time_in_timezone, DuckDuckGoSearchTool()], ## add your tools here (don't remove final answer)
+    tools=[final_answer, get_current_time_in_timezone, DuckDuckGoSearchTool(), crazy_calculator], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,