code: def tags_getrelated(tag):
      
      method = 'flickr.tags.getRelated'
      data = _doget(method, auth=False, tag=tag)
      if isinstance(data.rsp.tags.tag, list):
          return [tag.text for tag in data.rsp.tags.tag]
      else:
          return [data.rsp.tags.tag.text]
docs: Gets the related tags for given tag.