replace form submit assignment

pages/quiz.py

@@ -14,6 +14,7 @@ def app():
     DATABASE = os.path.join(BASE_DIR, DATABASE_NAME)
 
     def form_callback(questions):
+        st.session_state.form_submit = True
         num_correct = 0
         session_id = random_session_id()
         student_id = 'UKWN'
@@ -87,9 +88,4 @@ def app():
                     for q in questions:
                         st.text_input(f'{q[0] + 1}. {q[3]}', key=q[0], placeholder="Type answer here")
                     submitted = st.form_submit_button(label="Submit", on_click=form_callback, args=(questions,))
-                    if submitted:
-                        st.write("Submitted")
-                        del st.session_state.tags
-                        del st.session_state.num_q
-                        del st.session_state.form_submit