import pandas as pd from typing import NamedTuple, Dict class ZipCodeEntry(NamedTuple): zip: 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)