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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_or_none(cls, video_id, language_code):
 """ Returns a data model object if found or none otherwise. Arguments: video_id(unicode):
 video id to which transcript may be associated language_code(unicode):
 language of the requested transcript """

        try:
            transcript = cls.objects.get(video__edx_video_id=video_id, language_code=language_code)
        except cls.DoesNotExist:
            transcript = None

        return transcript