Update app.py

app.py

@@ -11,13 +11,76 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 # --- Basic Agent Definition ---
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
 class BasicAgent:
+
     def __init__(self):
-        print("BasicAgent initialized.")
+
+        import os
+
+        hf_token = os.getenv("HF_TOKEN")
+
+        if not hf_token:
+            raise ValueError(
+                "HF_TOKEN is missing. Add it in Space Settings → Secrets."
+            )
+
+        from smolagents import (
+            CodeAgent,
+            InferenceClientModel,
+            DuckDuckGoSearchTool,
+            PythonInterpreterTool
+        )
+
+        model = InferenceClientModel(
+            model_id="Qwen/Qwen2.5-72B-Instruct",
+            token=hf_token
+        )
+
+        search = DuckDuckGoSearchTool(max_results=5)
+
+        calculator = PythonInterpreterTool(
+            authorized_imports=[
+                "math",
+                "statistics",
+                "datetime",
+                "json",
+                "re"
+            ]
+        )
+
+        self.agent = CodeAgent(
+            model=model,
+            tools=[search, calculator],
+            max_steps=8
+        )
+
+        print("GAIA Agent initialized successfully!")
+
     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
+
+        prompt = f"""
+You are a powerful general-purpose AI agent solving GAIA benchmark questions.
+
+Solve this question accurately:
+
+{question}
+
+Rules:
+- Use web search when current or specific information is required.
+- Use Python for calculations.
+- Carefully verify numbers, dates and facts.
+- If a URL is provided, use the available tools when appropriate.
+- Give the final answer directly.
+- Do not say that you cannot answer unless absolutely necessary.
+- Do not return a generic response.
+"""
+
+        try:
+            answer = self.agent.run(prompt)
+            return str(answer).strip()
+
+        except Exception as e:
+            print("Agent error:", e)
+            return f"Unable to solve: {e}"
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """