Update app.py

app.py

@@ -12,12 +12,42 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
 class BasicAgent:
     def __init__(self):
-        print("BasicAgent initialized.")
+        print("Smart Agent Initialized")
+
     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
+        """
+        Simple reasoning agent with math solving and keyword matching.
+        """
+        import re
+        
+        question_lower = question.lower().strip()
+        
+        # Math Solver - detect and evaluate arithmetic expressions
+        math_pattern = r'[-+]?\d*\.?\d+[\s]*[\+\-\*/][\s]*[-+]?\d*\.?\d+'
+        math_match = re.search(math_pattern, question)
+        
+        if math_match:
+            try:
+                expr = math_match.group()
+                result = eval(expr)
+                if isinstance(result, float) and result.is_integer():
+                    return str(int(result))
+                return str(result)
+            except:
+                pass
+        
+        # Keyword-based QA
+        if "capital" in question_lower and "france" in question_lower:
+            return "Paris"
+        if "largest ocean" in question_lower:
+            return "Pacific Ocean"
+        if "2+2" in question_lower or "2 + 2" in question_lower:
+            return "4"
+        if "5+7" in question_lower or "5 + 7" in question_lower:
+            return "12"
+        
+        # Fallback
+        return "I don't know"
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """