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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 enable_peer_bfd(self, **kwargs):
 """BFD enable for each specified peer. Args: rbridge_id (str):
 Rbridge to configure. (1, 225, etc) peer_ip (str):
 Peer IPv4 address for BFD setting. delete (bool):
 True if BFD configuration should be deleted. Default value will be False if not specified. get (bool):
 Get config instead of editing config. (True, False) callback (function):
 A function executed upon completion of the method. The only parameter passed to `callback` will be the ``ElementTree`` `config`. Returns: XML to be passed to the switch. Raises: None Examples: """

        method_name = 'rbridge_id_router_router_bgp_router_bgp_attributes_' \
                      'neighbor_neighbor_ips_neighbor_addr_bfd_bfd_enable'
        bfd_enable = getattr(self._rbridge, method_name)
        kwargs['router_bgp_neighbor_address'] = kwargs.pop('peer_ip')
        callback = kwargs.pop('callback', self._callback)
        config = bfd_enable(**kwargs)
        if kwargs.pop('delete', False):
            tag = 'bfd-enable'
            config.find('.//*%s' % tag).set('operation', 'delete')
        if kwargs.pop('get', False):
            return callback(config, handler='get_config')
        else:
            return callback(config)