update my agent with token

app.py

@@ -10,14 +10,21 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # --- Basic Agent Definition ---
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
+from smolagents import CodeAgent, HfApiModel, DuckDuckGoSearchTool
+
 class BasicAgent:
     def __init__(self):
-        print("BasicAgent initialized.")
+        # 使用免費的 AI 模型，並裝上 Google 搜尋工具
+        self.model = HfApiModel(model_id="Qwen/Qwen2.5-72B-Instruct")
+        self.search_tool = DuckDuckGoSearchTool()
+        self.agent = CodeAgent(tools=[self.search_tool], model=self.model)
+
     def __call__(self, question: str) -> str:
-        print(f"Agent received question (first 50 chars): {question[:50]}...")
-        fixed_answer = "This is a default answer."
-        print(f"Agent returning fixed answer: {fixed_answer}")
-        return fixed_answer
+        # 讓 AI 開始自動查資料、思考並回答
+        try:
+            return str(self.agent.run(question))
+        except Exception as e:
+            return f"Error: {e}"
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """

requirements.txt

@@ -1,2 +1,3 @@
 gradio
-requests
+requests
+smolagents