Updates

app.py

@@ -103,6 +103,8 @@ def load_module(module_name):
 def generate_new_question(module_name):
     module = load_module(module_name)
     question_data = module.generate_question()
+    # Ensure 'answered' is initialized to False
+    question_data['answered'] = False
     return question_data
 
 def navigate_question(direction):
@@ -135,7 +137,7 @@ st.write(current_question["question"])
 
 # Option highlighting logic
 def get_option_style(option):
-    if current_question['answered']:
+    if current_question.get('answered', False):  # Use .get() with default False
         if option == current_question['correct_answer']:
             return "background-color:#d4edda;padding:10px;border-radius:5px;"  # Green background for correct
         elif option == current_question['selected']:
@@ -145,12 +147,12 @@ def get_option_style(option):
 selected_answer = st.radio(
     "Choose an answer:", 
     current_question['options'], 
-    index=current_question['options'].index(current_question['selected']) if current_question.get('selected') else None, 
+    index=current_question['options'].index(current_question.get('selected', '')) if current_question.get('selected') else None, 
     key=st.session_state.current_index
 )
 
 if st.button("Submit"):
-    if not current_question.get('answered'):
+    if not current_question.get('answered', False):  # Check if the question has already been answered
         current_question['selected'] = selected_answer
         current_question['answered'] = True
         st.session_state.module_question_count[module_name] += 1
@@ -164,7 +166,7 @@ for option in current_question['options']:
     st.markdown(f"<div style='{get_option_style(option)}'>{option}</div>", unsafe_allow_html=True)
 
 # Show explanation and step-by-step solution
-if current_question.get('answered'):
+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']: