Reseting answer and Showing message if answer is not selected

app.py

@@ -49,6 +49,19 @@ def load_questions(model, book, student_name, class_name):
 def get_next_question(selected_answer):
     global current_question_index, answers_log
 
+    if not selected_answer:
+        next_question = questions_data[current_question_index]
+        question_text = f"# Питання:\n## {next_question['question']}\n# Будь ласка, оберіть відповідь!"
+        answers = [answer['answer'] for answer in next_question['answers']]
+        return (
+            question_text,  # question_radio
+            gr.update(choices=answers, value=None, interactive=True, visible=True),  # answer_radio
+            gr.update(visible=True),  # next_button
+            gr.update(visible=False),  # feedback_input
+            gr.update(visible=False),  # rating_slider
+            gr.update(visible=False),  # submit_feedback_button
+        )
+
     # Writing answer in log
     answers_log.append({
         "selected": selected_answer,
@@ -62,18 +75,24 @@ def get_next_question(selected_answer):
         next_question = questions_data[current_question_index]
         question_text = f"# Питання:\n## {next_question['question']}"
         answers = [answer['answer'] for answer in next_question['answers']]
-        return question_text, gr.update(choices=answers, interactive=True), gr.update(visible=True), gr.update(
-            visible=False), gr.update(visible=False), gr.update(visible=False)
+        return (
+            question_text,  # question_radio
+            gr.update(choices=answers, value=None, interactive=True, visible=True),  # answer_radio
+            gr.update(visible=True),  # next_button
+            gr.update(visible=False),  # feedback_input
+            gr.update(visible=False),  # rating_slider
+            gr.update(visible=False),  # submit_feedback_button
+        )
     else:
         # All questions are completed — ask for feedback
         question_text = "# Дякуємо за участь у тесті! Залиште, будь ласка, свій відгук і оцініть тест."
         return (
             question_text,  # question_radio
-            gr.update(visible=False),  # answer_radio
+            gr.update(visible=False, value=None),  # answer_radio
             gr.update(visible=False),  # next_button
             gr.update(visible=True),  # feedback_input
             gr.update(visible=True),  # rating_slider
-            gr.update(visible=True)  # submit_feedback_button
+            gr.update(visible=True),  # submit_feedback_button
         )
 
 
@@ -135,7 +154,7 @@ with gr.Blocks() as demo:
                 gr.update(visible=is_field_filled),  # next_button
                 gr.update(visible=False),  # feedback_input
                 gr.update(visible=False),  # rating_slider
-                gr.update(visible=False)  # submit_feedback_button
+                gr.update(visible=False),  # submit_feedback_button
             )