code: def _testEnumerateN(self, input_shape):
      inputs = np.random.random_sample(input_shape)
      sort_inputs = np.sort(inputs)
      for n in range(input_shape[-1]):
          expected_values = sort_inputs[..., n]
          self._validateNthElement(
              inputs, dtypes.float32, n, False, expected_values
          )
          expected_values = sort_inputs[..., ::-1][..., n]
          self._validateNthElement(
              inputs, dtypes.float64, n, True, expected_values
          )
  
imports: import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import context
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import nn_ops
  import tensorflow.python.ops.nn_grad
  from tensorflow.python.platform import test
label_desc: Use image node_id 9 for calling the NthElementTest obj's underlying member method code with example usage: obj._testEnumerateN(input_shape) without return types