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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(self, jid, node, *, redirect_uri=None):
 """ Delete an existing node. :param jid: Address of the PubSub service. :type jid: :class:`aioxmpp.JID` :param node: Name of the PubSub node to delete. :type node: :class:`str` or :data:`None` :param redirect_uri: A URI to send to subscribers to indicate a replacement for the deleted node. :type redirect_uri: :class:`str` or :data:`None` :raises aioxmpp.errors.XMPPError: as returned by the service Optionally, a `redirect_uri` can be given. The `redirect_uri` will be sent to subscribers in the message notifying them about the node deletion. """


        iq = aioxmpp.stanza.IQ(
            type_=aioxmpp.structs.IQType.SET,
            to=jid,
            payload=pubsub_xso.OwnerRequest(
                pubsub_xso.OwnerDelete(
                    node,
                    redirect_uri=redirect_uri
                )
            )
        )

        yield from self.client.send(iq)