class_docstr: Expands dimensions of an input array without copy.
class_docstr_tok: ["Expands","dimensions","of","an","input","array","without","copy","."]
code: def forward(self, inputs):
      (x,) = inputs
      xp = backend.get_array_module(x)
      return (xp.expand_dims(x, self.axis),)
  
file_path: chainer/chainer/functions/array/expand_dims.py
imports: import chainer
  from chainer import backend
  from chainer import function_node
  from chainer.utils import type_check
label_desc: Use image node_id 3 for calling the ExpandDims obj's underlying member method code with example usage: obj.forward(inputs) and returns: xp