code: def submission_storage_path(instance, filename):
      
      string = '/'.join(['submissions', instance.submission_user.user_nick, str(instance.submission_question.question_level), str(instance.submission_question.question_level_id)])
      string += '/'+datetime.datetime.now().strftime("%I:%M%p-%m-%d-%Y")
      string += filename
      return string
docs: Function DocString