Update app.py

app.py

@@ -590,15 +590,11 @@ elif st.session_state.current_index == len(st.session_state.data):
 else:
     st.write(f"Thank you for taking part in this study!")
 
-col1, col2, col3 = st.columns([1, 1, 3])
-
 # Navigation buttons
-with col1:
-    if st.session_state.current_index > 0:
+if st.session_state.current_index > 0:
         if st.button("Previous"):
             navigate(-1)
-with col2:
-    if st.button("Last edited instance"):
+if st.button("Last edited instance"):
         go_to_index = get_start_index()
         navigate_to_row(go_to_index)
 
@@ -618,7 +614,7 @@ def navigate_to_index():
         st.error("The page number must be an integer.")
 
 col1, col2, col3 = st.columns([2, 2, 2])
-with col2:
+with col1:
     with st.form(key="nav_form"):
         st.number_input("Go to Page: ", key="go_to", format="%.0f")
         st.form_submit_button("Go", on_click=navigate_to_index)