code: def _function_getter(data):
      def _get(f, attr=None):
          return f.eval(data)
  
      return _get
  
imports: import cntk
  import numpy
  from cntk.contrib import crosstalk
label_desc: Use image node_id 6 for calling a global function with example usage: _function_getter(data) and returns: _get, f