Update code_agent.py

code_agent.py

@@ -3,6 +3,7 @@ Real `smolagents` CodeAgent integration for the final project.
 
 This module initializes a `CodeAgent` with standard tools and exposes a 
 `run_agent(prompt)` function returning the final answer string.
+"""
 
 
 from typing import List, Any
@@ -108,7 +109,7 @@ def run_agent(prompt: str) -> str:
         prompt: the reasoning task/question for the agent.
     
     Returns:
-        The agent final answer as a string.
+        The agent's final answer as a string.
 
     Raises:
         Exception: if CodeAgent.run fails (e.g., no HF credentials or credits).