code: def playlist(self, playlist_id):
          '''
          Get a playlist from it's ID
  
          :param playlist_id: ID of the playlist
          :rtype: a :class:`Playlist` object
          '''
          playlist = self.connection.request(
              'getPlaylistByID',
              {'playlistID': playlist_id},
              self.connection.header('getPlaylistByID'))[1]
          return self._parse_playlist(playlistf playlist(self, playlist_id):
          '''
          Get a playlist from it's ID
  
          :param playlist_id: ID of the playlist
          :rtype: a :class:`Playlist` object
          '''
          playlist = self.connection.request(
              'getPlaylistByID',
              {'playlistID': playlist_id},
              self.connection.header('getPlaylistByID'))[1]
          return self._parse_playlist(playlist)
docs: Get a playlist from it's ID
  
          :param playlist_id: ID of the playlist
          :rtype: a :class:`Playlist` object