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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:
 async def destroy_unit(self, *unit_names):
 """Destroy units by name. """

        connection = self.connection()
        app_facade = client.ApplicationFacade.from_connection(connection)

        log.debug(
            'Destroying unit%s %s',
            's' if len(unit_names) == 1 else '',
            ' '.join(unit_names))

        return await app_facade.DestroyUnits(list(unit_names))