import streamlit as st

astations = [
	["hongkongobservatory","HKO",22.3022566,114.1722662,"Hong Kong Observatory"],
	["kingspark","KP",22.3115408,114.1685675,"Observatory Meteorological Station, King's Park"],
]

acontainer1 = st.empty()
aoption = acontainer1.selectbox(
    'Which station?',
    astations[1])
acontainer2.write(aoption)