Updates

app.py

@@ -83,32 +83,17 @@ if module_name:
         st.title(title)
         st.write(description)
 
-        # Navigation and PDF Download buttons
-        col_nav_1, col_nav_2, col_pdf = st.columns([1, 1, 2])
-        with col_nav_1:
-            if st.session_state.question_count > 1:
-                if st.button("⬅️ Prev"):
-                    st.session_state.question_count -= 1
-                    st.session_state.submitted = False
-                    question_data = st.session_state.question_queue[st.session_state.question_count - 1]
-                    st.session_state.current_question = question_data[0]
-                    st.session_state.options = question_data[1]
-                    st.session_state.selected_answer = question_data[2]
-                    st.session_state.correct_answer = question_data[3]
-                    st.session_state.explanation = question_data[4]
-        with col_nav_2:
-            if st.session_state.submitted:
-                if st.button("➡️ Next"):
-                    st.session_state.current_question = None
-        with col_pdf:
-            if st.session_state.question_count > 0:
-                pdf = generate_pdf_report()
-                st.download_button(
-                    label="Download PDF Report 📄",
-                    data=pdf,
-                    file_name="quiz_report.pdf",
-                    mime="application/pdf"
-                )
+        # Show the "Prev" button after the first question has been answered
+        if st.session_state.question_count > 1:
+            if st.button("⬅️ Prev"):
+                st.session_state.question_count -= 1
+                st.session_state.submitted = False
+                question_data = st.session_state.question_queue[st.session_state.question_count - 1]
+                st.session_state.current_question = question_data[0]
+                st.session_state.options = question_data[1]
+                st.session_state.selected_answer = question_data[2]
+                st.session_state.correct_answer = question_data[3]
+                st.session_state.explanation = question_data[4]
 
         if st.session_state.current_question is None or st.session_state.submitted:
             st.session_state.current_question, st.session_state.options, st.session_state.correct_answer, st.session_state.explanation = generate_question()
@@ -120,7 +105,7 @@ if module_name:
             st.write(f"**Correct Answers:** {st.session_state.correct_count}/{st.session_state.question_count} ({correct_percentage:.2f}%)")
 
         st.write(f"**Question {st.session_state.question_count + 1}:** {st.session_state.current_question}")
-        st.session_state.selected_answer = st.radio("Choose an answer:", st.session_state.options)
+        st.session_state.selected_answer = st.radio("Choose an answer:", st.session_state.options, key=st.session_state.question_count)
 
         if st.button("Submit"):
             st.session_state.submitted = True
@@ -149,5 +134,20 @@ if module_name:
                 unsafe_allow_html=True
             )
 
+            # Show the "Next" button after the question has been answered
+            if st.session_state.submitted:
+                if st.button("➡️ Next"):
+                    st.session_state.current_question = None
+
+        # Display the "Download PDF Report" button after at least one question has been answered
+        if st.session_state.question_count > 0:
+            pdf = generate_pdf_report()
+            st.download_button(
+                label="Download PDF Report 📄",
+                data=pdf,
+                file_name="quiz_report.pdf",
+                mime="application/pdf"
+            )
+
     except ModuleNotFoundError:
         st.error(f"The module '{module_name}' was not found. Please select another module.")