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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 disable(self, retain_port=False):
 """Teardown DHCP. Disable DHCP for this network by updating the remote server and then destroying any local device and namespace. """

        self.update_server(disabled=True)
        if retain_port:
            return
        self.update_device(disabled=True)
        if self.conf.dhcp_delete_namespaces and self.network.namespace:
            ns_ip = ip_lib.IPWrapper(self.root_helper,
                                     self.network.namespace)
            try:
                ns_ip.netns.delete(self.network.namespace)
            except RuntimeError:
                msg = _('Failed trying to delete namespace: %s')
                LOG.exception(msg, self.network.namespace)