How to use the pychromecast.get_listed_chromecasts function in PyChromecast

if connection_status.status == "CONNECTED":
            self._mz.update_members()


class mzlistener:
    def multizone_member_added(self, uuid):
        print("New member: {}".format(uuid))

    def multizone_member_removed(self, uuid):
        print("Removed member: {}".format(uuid))

    def multizone_status_received(self):
        print("Members: {}".format(mz.members))


chromecasts = pychromecast.get_listed_chromecasts(friendly_names=[args.cast])
if not chromecasts:
    print('No chromecast with name "{}" discovered'.format(args.cast))
    sys.exit(1)

cast = chromecasts[0]
# Add listeners
mz = MultizoneController(cast.uuid)
mz.register_listener(mzlistener())
cast.register_handler(mz)
cast.register_connection_listener(connlistener(mz))

# Start socket client's worker thread and wait for initial status update
cast.wait()

while True:
    time.sleep(1)

print(status)


parser = argparse.ArgumentParser(
    description="Example on how to create a simple Chromecast event listener."
)
parser.add_argument("--show-debug", help="Enable debug log", action="store_true")
parser.add_argument(
    "--cast", help='Name of cast device (default: "%(default)s")', default=CAST_NAME
)
args = parser.parse_args()

if args.show_debug:
    logging.basicConfig(level=logging.DEBUG)

chromecasts = pychromecast.get_listed_chromecasts(friendly_names=[args.cast])
if not chromecasts:
    print('No chromecast with name "{}" discovered'.format(args.cast))
    sys.exit(1)

chromecast = chromecasts[0]
# Start socket client's worker thread and wait for initial status update
chromecast.wait()

listenerCast = StatusListener(chromecast.name, chromecast)
chromecast.register_status_listener(listenerCast)

listenerMedia = StatusMediaListener(chromecast.name, chromecast)
chromecast.media_controller.register_status_listener(listenerMedia)

input("Listening for Chromecast events...\n\n")

parser = argparse.ArgumentParser(
    description="Example on how to use the Youtube Controller."
)
parser.add_argument("--show-debug", help="Enable debug log", action="store_true")
parser.add_argument(
    "--cast", help='Name of cast device (default: "%(default)s")', default=CAST_NAME
)
parser.add_argument(
    "--videoid", help='Youtube video ID (default: "%(default)s")', default=VIDEO_ID
)
args = parser.parse_args()

if args.show_debug:
    logging.basicConfig(level=logging.DEBUG)

chromecasts = pychromecast.get_listed_chromecasts(friendly_names=[args.cast])
if not chromecasts:
    print('No chromecast with name "{}" discovered'.format(args.cast))
    sys.exit(1)

cast = chromecasts[0]
# Start socket client's worker thread and wait for initial status update
cast.wait()

yt = YouTubeController()
cast.register_handler(yt)
yt.play_video(VIDEO_ID)