Fix print statement formatting in Reflection.py

code/chapter4/Reflection.py

@@ -138,7 +138,7 @@ class ReflectionAgent:
             self.memory.add_record("execution", refined_code)
         
         final_code = self.memory.get_last_execution()
-        print(f"\n--- 任务完成 ---\n最终生成的代码:\n```python\n{final_code}\n```")
+        print(f"\n--- 任务完成 ---\n最终生成的代码:\n{final_code}")
         return final_code
 
     def _get_llm_response(self, prompt: str) -> str: