(video_id, host=None)
Starts the YouTube app if it is not running and plays
        specified video.
Starts the YouTube app if it is not running and plays
        specified video.
Starts the YouTube app if it is not running and plays specified video .
def play_youtube_video(video_id, host=None):
    """ Starts the YouTube app if it is not running and plays
        specified video. """

    if not host:
        host = _auto_select_chromecast()

    start_app(host, APP_ID["YOUTUBE"], {"v": video_id})
def play_youtube_video ( video_id , host = None ) : if not host : host = _auto_select_chromecast ( ) start_app ( host , APP_ID [ "YOUTUBE" ] , { "v" : video_id } )