Trying to eliminate multiple identical st.button widgets with the same generated key

app.py

@@ -42,7 +42,7 @@ with tab1:
     polish_examples = ['Dziękuję bardzo!', 'Wszystkiego najlepszego!', 'Jarosław, Przemyśl']
     selected_example_po = st.selectbox('Choose an example as demo', ['None'] + polish_examples)
 
-    if selected_example != 'None':
+    if selected_example_po != 'None':
         input_string = selected_example_po
 
     if st.button("Transliterate Polish"):
@@ -59,7 +59,7 @@ with tab2:
     hungarian_examples = ['Köszönöm szépen!', 'Budapest, Magyarország']
     selected_example_hu = st.selectbox('Choose an example as demo', ['None'] + hungarian_examples)
 
-    if selected_example != 'None':
+    if selected_example_hu != 'None':
         input_string = selected_example_hu
 
     if st.button("Transliterate Hungarian"):