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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 resend_sent(self, route_family, peer):
 """For given `peer` re-send sent paths. Parameters: - `route-family`: (RouteFamily) of the sent paths to re-send - `peer`: (Peer) peer for which we need to re-send sent paths """

        if peer not in self._peers.values():
            raise ValueError('Could not find given peer (%s)' % peer)

        if route_family not in SUPPORTED_GLOBAL_RF:
            raise ValueError(
                'Given route family (%s) is not supported.' % route_family
            )

        # Iterate over the global table for given afi, safi and enqueue
        # out-going routes.
        table = self._table_manager.get_global_table_by_route_family(
            route_family
        )

        for destination in table.values():
            # Check if this destination's sent - routes include this peer.
            # i.e. check if this destinations was advertised and enqueue
            # the path only if it was. If the current best-path has not been
            # advertised before, it might already have a OutgoingRoute queued
            # to be sent to the peer.
            sent_routes = destination.sent_routes
            if sent_routes is None or len(sent_routes) == 0:
                continue
            for sent_route in sent_routes:
                if sent_route.sent_peer == peer:
                    # update med - if previously med was set per neighbor or
                    # wasn't set at all now it could have changed and we may
                    # need to set new value there
                    p = sent_route.path
                    if p.med_set_by_target_neighbor or p.get_pattr(
                            BGP_ATTR_TYPE_MULTI_EXIT_DISC) is None:
                        sent_route.path = \
                            clone_path_and_update_med_for_target_neighbor(
                                sent_route.path, peer.med
                            )

                    ogr = OutgoingRoute(sent_route.path,
                                        for_route_refresh=True)
                    peer.enque_outgoing_msg(ogr)