code: def get_blank(medium):
      
      if medium == tokens.Medium.ANIME:
          return objects.AnimeData()
      elif medium == tokens.Medium.MANGA:
          return objects.MangaData()
      else:
          return None
docs: Returns a [medium]Data object for filling before calling spice.add(),
      spice.update() or spice.delete().
      :param medium Anime or manga (tokens.Medium.ANIME or tokens.Medium.MANGA).
      :returns A [medium]Data object.