code: def get_daily_song(self, netease=False):
          
          if not self._daily_playlist:
              self.get_daily_songs()
              self._daily_playlist_index = 0
          else:
              self._daily_playlist_index = (self._daily_playlist_index + 1) % len(self._daily_playlist)
  
          song = self._daily_playlist[self._daily_playlist_index]
          song['index'] = self._daily_playlist_index
          self.get_netease_song(song, netease)  # 判断是否网易320k
          self._playingsong = song
  
          return song
docs: 获取单个歌曲