Update app.py

app.py

@@ -823,6 +823,7 @@ def create_quiz_interface():
             outputs=tabs
         )
 
+        # Navigation handlers
         prev_btn.click(
             fn=handle_prev,
             inputs=[
@@ -840,6 +841,7 @@ def create_quiz_interface():
                 question_box
             ]
         )
+
         next_btn.click(
             fn=handle_next,
             inputs=[
@@ -858,13 +860,14 @@ def create_quiz_interface():
             ]
         )
 
+        # Answer state update
         current_options.change(
             fn=update_answer_state,
             inputs=[current_options, current_question_idx, answer_state],
             outputs=answer_state
         )
 
-
+        # Quiz submission
         submit_btn.click(
             fn=on_submit,
             inputs=[
@@ -883,7 +886,8 @@ def create_quiz_interface():
                 view_cert_btn
             ]
         )
-        
+
+        # Reset quiz
         reset_btn.click(
             fn=reset_quiz,
             inputs=[text_input, num_questions],
@@ -901,16 +905,18 @@ def create_quiz_interface():
             ]
         )
 
+        # View certificate navigation
         view_cert_btn.click(
             fn=lambda: gr.Tabs(selected=2),  # Directly navigate to certificate tab
             outputs=tabs
         )
+
+        # Back to assessment navigation
         back_to_assessment.click(
             fn=lambda: gr.Tabs(selected=1),  # Navigate back to assessment tab
             outputs=tabs
         )
 
-
         # Certificate generation
         score_display.change(
             fn=quiz_app.certificate_generator.generate,