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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 delete_network_all_subnets(self, net_id):
 """Delete the openstack network including all its subnets. """

        try:
            body = {'network_id': net_id}
            subnet_list = self.neutronclient.list_subnets(body=body)
            subnet_list = subnet_list.get('subnets')
            for subnet in subnet_list:
                if subnet.get('network_id') == net_id:
                    subnet_id = subnet.get('id')
                    self.neutronclient.delete_subnet(subnet_id)
        except Exception as exc:
            LOG.error("Failed to delete subnet for net %(net)s "
                      "Exc %(exc)s", {'net': net_id, 'exc': str(exc)})
            return False
        try:
            self.neutronclient.delete_network(net_id)
        except Exception as exc:
            LOG.error("Failed to delete network %(net)s Exc %(exc)s",
                      {'net': net_id, 'exc': str(exc)})
            return False
        return True