class_docstr: Copies the input variable onto the specified device.
code: def __init__(self, in_device, out_device):
      self._in_device = in_device
      self.out_device = out_device
  
file_path: chainer/chainer/functions/array/copy.py
imports: import chainer
  from chainer import backend
  from chainer.backends import cuda
  from chainer import function_node
  from chainer.utils import type_check
  import chainerx
label_desc: Use image node_id 1 to create a new Copy object from inherited base classes: function_node with example: obj = Copy(in_device, out_device)