Updates

app.py

@@ -178,54 +178,57 @@ with st.form(key=f'question_form_{st.session_state.current_index}'):
 
 # Handle button state and answer submission
 if submit_button:
-    st.session_state.submit_click_count += 1
-
-    if st.session_state.submit_click_count == 1:
-        # First click: show solution
-        if not current_question['answered']:
-            if selected_answer is not None:
-                # Process the answer
-                current_question['selected'] = selected_answer
-                current_question['answered'] = True
-                st.session_state.module_question_count[selected_module] += 1
-
-                if selected_answer == current_question['correct_answer']:
-                    st.session_state.correct_count += 1
-                    st.session_state.module_correct_count[selected_module] += 1
-
-                # Set answered to true to disable options
-                st.session_state.questions[st.session_state.current_index]['answered'] = True
-                st.session_state.selected_answer = selected_answer
-
-        # Show correct/incorrect feedback after submission
-        for option in current_question['options']:
-            if option == current_question['correct_answer']:
-                st.markdown(f"<span style='color:green;'>{option} ✅</span>", unsafe_allow_html=True)
-            elif option == current_question['selected']:
-                st.markdown(f"<span style='color:red;'>{option} ❌</span>", unsafe_allow_html=True)
-            else:
-                st.markdown(f"{option}")
-
-        # Show explanation and step-by-step solution with improved visuals
-        st.write(f"**Explanation:** {current_question['explanation']}")
-        st.markdown("""
-        <div style='border: 2px solid #4CAF50; padding: 10px; margin-top: 20px; background-color: #f9f9f9;'>
-        <h4 style='color: #4CAF50;'>Step-by-Step Solution:</h4>
-        <ol>
-        """, unsafe_allow_html=True)
-
-        for step in current_question['step_by_step_solution']:
-            st.markdown(f"<li style='margin-bottom: 10px;'>{step}</li>", unsafe_allow_html=True)
-
-        st.markdown("</ol></div>", unsafe_allow_html=True)
-
-    elif st.session_state.submit_click_count == 2:
-        # Second click: generate a new question
-        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.answered = False
-        st.session_state.submit_click_count = 0  # Reset the click count
-        st.session_state.selected_answer = None  # Reset the selected answer
-        # Force a re-render by modifying a state variable
-        st.session_state['last_updated'] = str(uuid.uuid4())
+    if selected_answer is None:
+        st.warning("Please select an option before submitting.")
+    else:
+        st.session_state.submit_click_count += 1
+
+        if st.session_state.submit_click_count == 1:
+            # First click: show solution
+            if not current_question['answered']:
+                if selected_answer is not None:
+                    # Process the answer
+                    current_question['selected'] = selected_answer
+                    current_question['answered'] = True
+                    st.session_state.module_question_count[selected_module] += 1
+
+                    if selected_answer == current_question['correct_answer']:
+                        st.session_state.correct_count += 1
+                        st.session_state.module_correct_count[selected_module] += 1
+
+                    # Set answered to true to disable options
+                    st.session_state.questions[st.session_state.current_index]['answered'] = True
+                    st.session_state.selected_answer = selected_answer
+
+            # Show correct/incorrect feedback after submission
+            for option in current_question['options']:
+                if option == current_question['correct_answer']:
+                    st.markdown(f"<span style='color:green;'>{option} ✅</span>", unsafe_allow_html=True)
+                elif option == current_question['selected']:
+                    st.markdown(f"<span style='color:red;'>{option} ❌</span>", unsafe_allow_html=True)
+                else:
+                    st.markdown(f"{option}")
+
+            # Show explanation and step-by-step solution with improved visuals
+            st.write(f"**Explanation:** {current_question['explanation']}")
+            st.markdown("""
+            <div style='border: 2px solid #4CAF50; padding: 10px; margin-top: 20px; background-color: #f9f9f9;'>
+            <h4 style='color: #4CAF50;'>Step-by-Step Solution:</h4>
+            <ol>
+            """, unsafe_allow_html=True)
+
+            for step in current_question['step_by_step_solution']:
+                st.markdown(f"<li style='margin-bottom: 10px;'>{step}</li>", unsafe_allow_html=True)
+
+            st.markdown("</ol></div>", unsafe_allow_html=True)
+
+        elif st.session_state.submit_click_count == 2:
+            # Second click: generate a new question
+            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.answered = False
+            st.session_state.submit_click_count = 0  # Reset the click count
+            st.session_state.selected_answer = None  # Reset the selected answer
+            # Force a re-render by modifying a state variable
+            st.session_state['last_updated'] = str(uuid.uuid4())