code: def __init__(self, loss_funcs):
      super(ZipLoss, self).__init__()
      self.loss_funcs = loss_funcs
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from itertools import cycle, islice
  from collections import abc
  import numpy
  import paddle
  import paddle.nn
  from ppdet.core.workspace import register, serializable
label_desc: Use image node_id 1 to create a new ZipLoss object from inherited base classes: object with example: obj = ZipLoss(loss_funcs)