import music_kraken from music_kraken.objects import Song, Album, Artist, Collection if __name__ == "__main__": song_1 = Song( title="song", feature_artist_list=[Artist( name="main_artist" )] ) other_artist = Artist(name="other_artist") song_2 = Song( title = "song", artist_list=[other_artist] ) other_artist.name = "main_artist" song_1.merge(song_2) print("#" * 120) print("main", *song_1.artist_collection) print("feat", *song_1.feature_artist_collection)