Updates

app.py

@@ -180,8 +180,10 @@ with st.form(key=f'question_form_{st.session_state.current_index}'):
 
 # Handle button state and answer submission
 if submit_button:
-    if st.session_state.button_label == "Submit":
-        if selected_answer is not None:
+    if selected_answer is None:
+        st.warning("Please select an option before submitting.")
+    else:
+        if st.session_state.button_label == "Submit":
             # Process the answer
             current_question['selected'] = selected_answer
             current_question['answered'] = True
@@ -194,12 +196,6 @@ if submit_button:
             # Show correct/incorrect feedback and explanation
             st.session_state.button_label = "Next"
 
-    elif st.session_state.button_label == "Next":
-        new_question = generate_new_question(selected_module, modules[selected_module])
-        st.session_state.questions.append(new_question)
-        st.session_state.current_index = len(st.session_state.questions) - 1
-        st.session_state.button_label = "Submit"
-
 # Show correct/incorrect feedback after submission
 if current_question.get('answered', False):
     for option in current_question['options']:
@@ -215,3 +211,10 @@ if current_question.get('answered', False):
     st.write("**Step-by-Step Solution:**")
     for step in current_question['step_by_step_solution']:
         st.write(step)
+    
+    # Handle switching to the next question on button click
+    if submit_button and st.session_state.button_label == "Next":
+        new_question = generate_new_question(selected_module, modules[selected_module])
+        st.session_state.questions.append(new_question)
+        st.session_state.current_index = len(st.session_state.questions) - 1
+        st.session_state.button_label = "Submit"