Update app.py

app.py

@@ -21,7 +21,7 @@ if city_name != "":
     lat_list.append(lat)
     long_list.append(lon)
     st.map(pd.DataFrame({'cities' : city_list, 'lat' : lat_list, 'lon' : long_list}))
-    st.write(city_name, "is located at: ", lat "," lon)
+    st.write(city_name, "is located at: ", lat, ",", lon)