code: def _variable_getter(data):
      def _get(f, attr=None):
          return C.as_composite(f.owner).eval(data)[f]
  
      return _get
  
imports: import cntk
  import numpy
  from cntk.contrib import crosstalk
label_desc: Use image node_id 7 for calling a global function with example usage: _variable_getter(data) and returns: _get, C