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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def show_notification(cls, channel_id, *args, **kwargs):
 """ Create and show a Notification. See `Notification.Builder.update` for a list of accepted parameters. """

        app = AndroidApplication.instance()
        builder = Notification.Builder(app, channel_id)
        builder.update(*args, **kwargs)
        return builder.show()