Updates

app.py

@@ -61,7 +61,7 @@ def generate_pdf_report():
         pdf.multi_cell(0, 10, f"Explanation: {explanation}")
         pdf.ln(10)
 
-    return pdf.output(dest='S').encode('utf-8')
+    return pdf.output(dest='S').encode('latin1', 'replace')
 
 # Logging for debugging
 logging.info(f"Current Module: {st.session_state.current_module}")
@@ -99,18 +99,35 @@ if module_name:
         st.title(title)
         st.write(description)
 
-        # 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]
-                logging.info("Navigated to previous question.")
+        # Display the "Next" and "Download PDF Report" buttons above the question
+        col1, col2, col3 = st.columns([1, 1, 2])
+        with col1:
+            if st.session_state.submitted:
+                if st.button("➡️ Next"):
+                    st.session_state.current_question = None
+                    logging.info("Navigated to next question.")
+        with col2:
+            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]
+                    logging.info("Navigated to previous question.")
+        with col3:
+            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"
+                )
+                logging.info("PDF report generated.")
 
         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()
@@ -156,23 +173,6 @@ 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
-                    logging.info("Navigated to next question.")
-
-        # 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"
-            )
-            logging.info("PDF report generated.")
-
     except ModuleNotFoundError as e:
         st.error(f"The module '{module_name}' was not found. Please select another module.")
         logging.error(f"Error: {e}")