class_docstr: Flip array in the up/down direction.
code: def forward(self, inputs):
      xp = backend.get_array_module(*inputs)
      return (xp.flipud(inputs[0]),)
  
file_path: chainer/chainer/functions/array/flipud.py
imports: from chainer import backend
  from chainer import function_node
  from chainer.utils import type_check
label_desc: Use image node_id 2 for calling the FlipUD obj's underlying member method code with example usage: obj.forward(inputs) and returns: xp