def get_weather(query):
    api_url="http://api.openweathermap.org/data/2.5/weather?q={}&units=metric&appid=<api key>"
    query=urllib.parse.quote(query)
    url=api_url.format(query)
    data=urllib.request.urlopen(url).read()
    parsed=json.loads(data)


    if parsed.get("weather"):
       weather={"description":parsed["weather"][0]["description"],
             "temperature":parsed["main"]["temp"],
             "city":parsed["name"]}

    return weather

parsed=json.loads(data)