code: def __str__(self):
      return self.name
  
imports: from __future__ import absolute_import, print_function, division
  from theano.gof.graph import Variable, Apply
  from theano.gof.type import Type
  from theano.gof.op import Op
  from theano.gof.fg import FunctionGraph
  from theano.gof.toolbox import NodeFinder
label_desc: Use image node_id 3 for calling the MyOp obj's underlying member method code with example usage: obj.__str__() and returns: self