def weather(api_key, latitude, longitude, date_time=None):<EOL>
return DarkSky(api_key).weather(latitude, longitude, date_time)<EOL>
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