code: def lyric(id):
      
      if id is None:
          raise ParamsError()
      r = NCloudBot()
      r.method = 'LYRIC'
      r.params = {'id': id}
      r.send()
  
      return r.response
docs: 通过歌曲 ID 获取歌曲歌词地址
  
      :param id: 歌曲ID