Updates

app.py

@@ -23,8 +23,6 @@ if 'pdf_data' not in st.session_state:
     st.session_state.pdf_data = None
 if 'next_disabled' not in st.session_state:
     st.session_state.next_disabled = True
-if 'submit_disabled' not in st.session_state:
-    st.session_state.submit_disabled = True
 if 'selected_answer' not in st.session_state:
     st.session_state.selected_answer = None
 
@@ -114,7 +112,6 @@ def navigate_question(direction):
         st.session_state.questions.append(new_question)
         st.session_state.current_index = len(st.session_state.questions) - 1
         st.session_state.next_disabled = True
-        st.session_state.submit_disabled = True
         st.session_state.selected_answer = None
 
 # Load all modules dynamically
@@ -137,7 +134,6 @@ if selected_module != st.session_state.current_module:
     st.session_state.module_question_count[selected_module] = 0
     st.session_state.module_correct_count[selected_module] = 0
     st.session_state.next_disabled = True
-    st.session_state.submit_disabled = True
     st.session_state.selected_answer = None
 
 # Load the current module's question
@@ -176,25 +172,21 @@ with st.form(key=f'question_form_{st.session_state.current_index}'):
         key=f"question_{st.session_state.current_index}_options",
         index=None  # Ensure no option is pre-selected
     )
-    # Enable submit button when an answer is selected
-    submit_button = st.form_submit_button(label="Submit", disabled=st.session_state.submit_disabled)
+    submit_button = st.form_submit_button(label="Submit")
 
 # Handle button state and answer submission
-if selected_answer and st.session_state.submit_disabled:
-    st.session_state.submit_disabled = False
-
-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.next_disabled = False
-    st.session_state.submit_disabled = True
+if submit_button:
+    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
+
+        st.session_state.next_disabled = False
 
 # Show correct/incorrect feedback after submission
 if current_question.get('answered', False):