code: def weather(api_key, latitude, longitude, date_time=None):
      # type:(str, float, float) -> Weather
      
      return DarkSky(api_key).weather(latitude, longitude, date_time)
docs: This is a shortcut method that can be used to perform a basic weather request with the default settings.
  
      :param str api_key: Darksky.net API key
      :param float latitude: The requested latitude. Maybe different from the value returned from an API request
      :param float longitude: The requested longitude. Maybe different from the value returned from an API request
      :param date_time: The requested date/time.
  
      :rtype: Weather