How to use the spotdl.spotify_tools.write_playlist function in spotdl

def test_playlist(tmpdir):
    expect_tracks = 14
    text_file = os.path.join(str(tmpdir), "test_pl.txt")
    spotify_tools.write_playlist(PLAYLIST_URL, text_file)
    with open(text_file, "r") as f:
        tracks = len(f.readlines())
    assert tracks == expect_tracks

def test_write_playlist(tmpdir):
    expect_tracks = 14
    text_file = os.path.join(str(tmpdir), "test_pl.txt")
    spotify_tools.write_playlist(
        "https://open.spotify.com/playlist/0fWBMhGh38y0wsYWwmM9Kt", text_file
    )
    with open(text_file, "r") as f:
        tracks = len(f.readlines())
    assert tracks == expect_tracks

if const.args.song:
        for track in const.args.song:
            track_dl = downloader.Downloader(raw_song=track)
            track_dl.download_single()
    elif const.args.list:
        if const.args.write_m3u:
            youtube_tools.generate_m3u(track_file=const.args.list)
        else:
            list_dl = downloader.ListDownloader(
                tracks_file=const.args.list,
                skip_file=const.args.skip,
                write_successful_file=const.args.write_successful,
            )
            list_dl.download_list()
    elif const.args.playlist:
        spotify_tools.write_playlist(playlist_url=const.args.playlist)
    elif const.args.album:
        spotify_tools.write_album(album_url=const.args.album)
    elif const.args.all_albums:
        spotify_tools.write_all_albums_from_artist(artist_url=const.args.all_albums)
    elif const.args.username:
        spotify_tools.write_user_playlist(username=const.args.username)

for track in const.args.song:
            track_dl = downloader.Downloader(raw_song=track)
            track_dl.download_single()
    elif const.args.list:
        if const.args.write_m3u:
            youtube_tools.generate_m3u(track_file=const.args.list,
                                       text_file=const.args.write_to)
        else:
            list_dl = downloader.ListDownloader(
                tracks_file=const.args.list,
                skip_file=const.args.skip,
                write_successful_file=const.args.write_successful,
            )
            list_dl.download_list()
    elif const.args.playlist:
        spotify_tools.write_playlist(playlist_url=const.args.playlist,
                                     text_file=const.args.write_to)
    elif const.args.album:
        spotify_tools.write_album(album_url=const.args.album,
                                  text_file=const.args.write_to)
    elif const.args.all_albums:
        spotify_tools.write_all_albums_from_artist(artist_url=const.args.all_albums,
                                                   text_file=const.args.write_to)
    elif const.args.username:
        spotify_tools.write_user_playlist(username=const.args.username,
                                          text_file=const.args.write_to)