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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 store_fw_db_router(self, tenant_id, net_id, subnet_id, router_id, os_status):
 """Store the result of FW router operation in DB. Calls the service object routine to commit the result of router operation in to DB, after updating the local cache. """

        serv_obj = self.get_service_obj(tenant_id)
        serv_obj.update_fw_local_router(net_id, subnet_id, router_id,
                                        os_status)
        serv_obj.commit_fw_db()
        serv_obj.commit_fw_db_result()