code: def torch_flip(x, dims):
      for dim in dims:
          x = single_dim_flip(x, dim)
      return x
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 3 for calling a global function with example usage: torch_flip(x, dims) and returns: x