code: def unbroadcast_f(target, f):
      target_meta = anp.metadata(target)
      return lambda g: unbroadcast(f(g), target_meta)
  
imports: from __future__ import absolute_import
  from six import string_types
  from functools import partial
  import numpy
  from ..util import func
  from .None import numpy_wrapper
  from .numpy_boxes import ArrayBox
  from autograd.extend import primitive, vspace, defvjp, defvjp_argnum, SparseObject, VJPNode, register_notrace
label_desc: Use image node_id 40 for calling a global function with example usage: unbroadcast_f(target, f) and returns: function