code: def torch_arctanh(x, eps=1e-6):
      return (torch.log((1 + x) / (1 - x))) * 0.5
  
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 9 for calling a global function with example usage: torch_arctanh(x, eps) and returns: unknown