add fibonacci

app.py

@@ -34,6 +34,21 @@ def get_current_time_in_timezone(timezone: str) -> str:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
 
+@tool
+def fibonacci(n: int) -> str:
+    if n <= 0:
+        return "Input should be a positive integer."
+    elif n == 1:
+        return str(0)
+    elif n == 2:
+        return str(1)
+    else:
+        a, b = 0, 1
+        for _ in range(2, n):
+            a, b = b, a + b
+        return str(b)
+
+
 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 +70,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, get_current_time_in_timezone, image_generation_tool], ## add your tools here (don't remove final answer)
+    tools=[final_answer, get_current_time_in_timezone, fibonacci], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,