code: def tags_getListUser(user_id=''):
      
      method = 'flickr.tags.getListUser'
      auth = user_id == ''
      data = _doget(method, auth=auth, user_id=user_id)
      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: Returns a list of tags for the given user (in string format)