Update app.py

app.py

@@ -1,4 +1,6 @@
+
 import streamlit as st
+import pandas as pd
 
 astations = [
 	["hongkongobservatory","HKO",22.3022566,114.1722662,"Hong Kong Observatory"],
@@ -8,7 +10,11 @@ astations = [
 acontainer1 = st.empty()
 acontainer2 = st.empty()
 
+adf = pd.DataFrame(
+	astations,
+	columns=['akey','astationcode','alatitude','alongitude','atitle',]
+)
 aoption = acontainer1.selectbox(
     'Which station?',
-    astations[][4])
-acontainer2.write(aoption)
+    adf)
+acontainer2.write(aoption)