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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 update_port_statuses_cfg(self, context, port_ids, status):
 """Update the operational statuses of a list of router ports. This is called by the Cisco cfg agent to update the status of a list of ports. :param context: contains user information :param port_ids: list of ids of all the ports for the given status :param status: PORT_STATUS_ACTIVE/PORT_STATUS_DOWN. """

        self._l3plugin.update_router_port_statuses(context, port_ids,
                                                   status)