Sample using json in python

get_weather.py

import urllib.request
import json


BASE_URL = "http://api.openweathermap.org/data/2.5/weather?q="


def kelbin2degree(d):
    return d - 273.15


def get_weather(city):
    with urllib.request.urlopen(BASE_URL + city) as response:
        html = response.read().decode('utf-8')
        return json.loads(html)


def main():
    city = input(">> ")
    result = get_weather(city)
    status = int(result["cod"])
    if status == 200:
        temp_min = kelbin2degree(result['main']['temp_min'])
        temp_max = kelbin2degree(result['main']['temp_max'])
        get_city = result['name']

        print("City:{} Temp MAX:{} MIN:{}".format(get_city, temp_min, temp_max))
    else:
        print("Sorry, Your input city is nothing")
    main()

if __name__ == "__main__":
    main()