Application changes

app.py

@@ -25,6 +25,7 @@ def start():
     session['answers'] = []
     session['current_question'] = 0
     session['start_time'] = time.time()
+    session['user_answers'] = []
 
     selected_file = request.form['file']
     session['selected_file'] = os.path.splitext(selected_file)[0]  # Remove file extension
@@ -41,6 +42,9 @@ def quiz():
     if 'questions' not in session or 'current_question' not in session:
         return redirect(url_for('index'))
 
+    if 'user_answers' not in session:
+        session['user_answers'] = []
+
     if request.method == 'POST':
         action = request.form.get('action')
         if action == 'next':
@@ -50,10 +54,10 @@ def quiz():
             if multiple_selection:
                 required_answers = 2
                 if len(answers) == required_answers:
-                    session['answers'][session['current_question']] = answers
+                    session['user_answers'].append((session['current_question'], answers))
             else:
                 if answers:
-                    session['answers'][session['current_question']] = answers
+                    session['user_answers'].append((session['current_question'], answers))
             session['current_question'] += 1
             if session['current_question'] >= len(session['questions']):
                 return redirect(url_for('results'))
@@ -69,12 +73,17 @@ def quiz():
     elapsed_time = time.time() - session['start_time']
     elapsed_time_str = time.strftime('%H:%M:%S', time.gmtime(elapsed_time))
 
-    previous_answers = session['answers'][session['current_question']] if session['current_question'] < len(session['answers']) else []
+    # Find the previous answers for the current question
+    previous_answers = []
+    for q_index, answers in session['user_answers']:
+        if q_index == session['current_question']:
+            previous_answers = answers
+            break
 
     # Debugging statements
     print(f"Current question index: {session['current_question']}")
     print(f"Previous answers: {previous_answers}")
-    print(f"Session answers: {session['answers']}")
+    print(f"Session user answers: {session['user_answers']}")
 
     return render_template('quiz.html', question=question,
                            question_number=session['current_question'] + 1,