app.py

#import definitions
import pandas as pd
import streamlit as st

df = pd.read_csv('Map-City-State-Zip-Lat-Long.txt', dtype=str, sep=';') 
df = df["Latitude"] = df["Latitude"].astype(float)


st.title("Input a city or zip code and we will take you there!")

city_name = st.text_input("Please search for a city:")
lat = df[df["City"] == city_name]["Latitude"]
lon = df[df["City"] == city_name]["Longitude"]
city_list = []
lat_list = []
long_list = []


if city_name != "":
    st.write(lat)
    #city_list.append(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)