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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 create_or_update_lun_id(self, volume_id, lun_id):
 """Set the LUN ID on a volume. :param integer volume_id: The id of the volume :param integer lun_id: LUN ID to set on the volume :return: a SoftLayer_Network_Storage_Property object """

        return self.client.call('Network_Storage', 'createOrUpdateLunId',
                                lun_id, id=volume_id)