code: def playlist_song_delete(self, playlist_song):
  		
  
  		self.playlist_songs_delete([playlist_song])
  
  		return self.playlist(playlist_song['playlistId'], include_songs=True)
docs: Delete song from playlist.
  
  		Parameters:
  			playlist_song (str): A playlist song dict.
  
  		Returns:
  			dict: Playlist dict including songs.