WEB Знакомство с API ---> Почтовый индекс

import requests

geocoder_request = "http://geocode-maps.yandex.ru/1.x/?apikey=40d1649f-0493-4b70-98ba-98533de7710b&geocode='Петровка, 38'&format=json"

response = requests.get(geocoder_request)
if response:
    json_response = response.json()
    toponym = json_response["response"]["GeoObjectCollection"]["featureMember"][0]["GeoObject"]
    print(toponym['metaDataProperty']['GeocoderMetaData']['AddressDetails']['Country']['AdministrativeArea']['Locality']['Thoroughfare']['Premise']['PostalCode']['PostalCodeNumber'])
else:
    print("Ошибка выполнения запроса:")
    print(geocoder_request)
    print("Http статус:", response.status_code, "(", response.reason, ")")