Update app.py

app.py

@@ -3,6 +3,7 @@ import gradio as gr
 import requests
 import inspect
 import pandas as pd
+from anthropic import Anthropic
 
 # (Keep Constants as is)
 # --- Constants ---
@@ -10,14 +11,34 @@ 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.")
+        self.client = Anthropic()  # uses ANTHROPIC_API_KEY env variable
+        print("BasicAgent initialized with Claude.")
+
     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
+        print(f"Agent received question: {question[:100]}...")
+
+        response = self.client.messages.create(
+            model="claude-sonnet-4-20250514",
+            max_tokens=1024,
+            messages=[
+                {
+                    "role": "user",
+                    "content": f"""You are a helpful assistant answering factual questions.
+Answer the following question as concisely and accurately as possible.
+Give ONLY the final answer, no explanation.
+
+Question: {question}"""
+                }
+            ]
+        )
+
+        final_answer = response.content[0].text.strip()
+        print(f"Agent returning answer: {final_answer}")
+        return final_answer
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """