code: def set_suggested_sort(self, sort='blank'):
          
          url = self.reddit_session.config['suggested_sort']
          data = {'id': self.fullname, 'sort': sort}
          return self.reddit_session.request_json(url, data=data)
docs: Set 'Suggested Sort' for the comments of the submission.
  
          Comments can be sorted in one of (confidence, top, new, hot,
          controversial, old, random, qa, blank).
  
          :returns: The json response from the server.