Update app.py

app.py

@@ -27,12 +27,23 @@ def evaluate_code(exercise, user_code):
     """Evaluate the user's code submission."""
     prompt = f"""
     Exercise: {exercise}
-    
+
     User's code:
     {user_code}
-    
-    Briefly evaluate the code. Provide concise feedback on correctness, efficiency, and style. 
-    If there are errors, explain them. Suggest improvements. Keep the response under 150 words.
+
+    Perform a concise code review addressing the following points:
+    1. Correctness: Does the code solve the given problem? If not, what's missing?
+    2. Efficiency: Is the solution efficient? Suggest any optimizations if applicable.
+    3. Style and Best Practices: Comment on code style, readability, and adherence to Python best practices.
+    4. Potential Improvements: Offer 1-2 specific suggestions for improving the code.
+
+    Format your response as follows:
+    Correctness: [Your evaluation]
+    Efficiency: [Your evaluation]
+    Style: [Your evaluation]
+    Improvements: [Your suggestions]
+
+    Keep the entire response under 200 words and be specific in your feedback.
     """
     try:
         response = model.generate_content(prompt)