Create utils/evaluator.py

utils/evaluator.py

@@ -0,0 +1,23 @@
+def evaluate_answers(answers):
+    """Calculate final score from all answers"""
+    if not answers:
+        return {"score": 0, "band": "N/A"}
+    
+    total = sum(a["evaluation"]["score"] for a in answers)
+    avg_score = total / len(answers)
+    
+    bands = [
+        (9, "Excellent"),
+        (7, "Good"),
+        (5, "Average"),
+        (3, "Below Average"),
+        (0, "Poor")
+    ]
+    
+    band = next((b[1] for b in bands if avg_score >= b[0]), "N/A")
+    
+    return {
+        "score": round(avg_score, 1),
+        "band": band,
+        "total_questions": len(answers)
+    }