Application changes

app.py

@@ -22,7 +22,7 @@ def index():
 @app.route('/start', methods=['POST'])
 def start():
     session['questions'] = []
-    session['answers'] = [[] for _ in range(len(session['questions']))]
+    session['answers'] = []
     session['score'] = 0
     session['current_question'] = 0
     session['start_time'] = time.time()
@@ -34,6 +34,7 @@ def start():
         questions = json.load(file)
         random.shuffle(questions)
         session['questions'] = questions
+        session['answers'] = [[] for _ in questions]  # Initialize answers list for each question
     return redirect(url_for('quiz'))
 
 @app.route('/quiz', methods=['GET', 'POST'])
@@ -75,6 +76,8 @@ 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 []
+
     return render_template('quiz.html', question=question,
                            question_number=session['current_question'] + 1,
                            total_questions=len(session['questions']),
@@ -82,7 +85,7 @@ def quiz():
                            show_previous=session['current_question'] > 0,
                            multiple_selection=multiple_selection,
                            elapsed_time=elapsed_time_str,
-                           previous_answers=session['answers'][session['current_question']])
+                           previous_answers=previous_answers)
 
 @app.route('/results')
 def results():