Updates

app.py

@@ -168,38 +168,32 @@ with col3:
 
 st.write(current_question["question"])
 
-# Use a form to prevent rerun on option selection
+# Create the form for the question
 with st.form(key=f'question_form_{st.session_state.current_index}'):
     selected_answer = st.radio(
         "Choose an answer:", 
         options=current_question['options'], 
-        key=f"question_{st.session_state.current_index}_options",
-        index=None  # No pre-selection
+        key=f"question_{st.session_state.current_index}_options"
     )
-    submit_button = st.form_submit_button(label="Submit", disabled=st.session_state.submit_disabled)
+    # Enable submit button when an answer is selected
+    submit_button = st.form_submit_button(label="Submit")
 
-# Activation logic for buttons based on selection
-if selected_answer is not None:
+# Handle button state and answer submission
+if selected_answer:
     st.session_state.submit_disabled = False
-    st.session_state.selected_answer = selected_answer
-    st.experimental_rerun()
-
-if submit_button and not current_question.get('answered', False):
-    if st.session_state.selected_answer is None:
-        st.warning("Please select an answer before submitting.")
-    else:
-        # Process the answer
-        current_question['selected'] = st.session_state.selected_answer
-        current_question['answered'] = True
-        st.session_state.module_question_count[selected_module] += 1
-
-        if st.session_state.selected_answer == current_question['correct_answer']:
-            st.session_state.correct_count += 1
-            st.session_state.module_correct_count[selected_module] += 1
 
-        st.session_state.submit_disabled = True
-        st.session_state.next_disabled = False
-        st.session_state.selected_answer = None
+if submit_button and selected_answer:
+    # 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
+
+    st.session_state.submit_disabled = True
+    st.session_state.next_disabled = False
 
 # Show correct/incorrect feedback after submission
 if current_question.get('answered', False):
@@ -215,4 +209,4 @@ if current_question.get('answered', False):
     st.write(f"**Explanation:** {current_question['explanation']}")
     st.write("**Step-by-Step Solution:**")
     for step in current_question['step_by_step_solution']:
-        st.write(step)
+        st.write(step)