code: def testNe(self):
      self._testCmp(
          [1, 2, 3],
          [3, 2, 1],
          [True, False, True],
          lambda a, b: a.__ne__(b),
      )
  
imports: from collections import abc
  import numpy
  import tensorflow.compat.v2
  from trax.tf_numpy.numpy_impl import arrays
  from trax.tf_numpy.numpy_impl import math_ops
label_desc: Use image node_id 21 for calling the ArrayTest obj's underlying member method code with example usage: obj.testNe() without return types