app.py

import pandas as pd
from typing import NamedTuple, Dict

class ZipCodeEntry(NamedTuple):
    zip: str
    city: str
    state: str
    lat: str
    long: str

def _load_zip_codes() -> Dict[str, ZipCodeEntry]:
    df = pd.read_csv('Map-City-State-Zip-Lat-Long.txt', dtype=str, sep=';')
    zip_code_list = {}
    for _, row in df.iterrows():
        zip_code = row.get('Zip')
        if zip_code:
            zip_code_entry = ZipCodeEntry(
                zip=zip_code,
                city=row.get('City'),
                state=row.get('State'),
                lat=row.get('Latitude'),
                long=row.get('Longitude'))
            zip_code_list[zip_code] = zip_code_entry
    return zip_code_list

ZIP_CODE_LIST = _load_zip_codes()
print(ZIP_CODE_LIST)