derivative calculator

app.py

@@ -3,20 +3,24 @@ import datetime
 import requests
 import pytz
 import yaml
+from sympy import symbols, diff, sympify
 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
+def compute_derivative(expr_str:str, var_str: str = 'x')-> 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 
+    """A tool that computes the symbolic derivative of an expression
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        - expr_str: str - A string representing the expression (e.g., "x**2 + sin(x)")
+        - var_str: str - The variable with respect to which to differentiate (default "x")
     """
-    return "What magic will you build ?"
+    var = symbols(var_str)
+    expr = sympify(expr_str)
+    derivative = diff(expr, var)
+    return derivative
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -36,6 +40,7 @@ def get_current_time_in_timezone(timezone: str) -> str:
 
 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:
 # model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 
 
@@ -55,7 +60,7 @@ 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,compute_derivative], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,