code: def testExample1(self):
      inputs = [2.2, 4.4, 1.1, 5.5, 3.3]
      self._validateNthElement(inputs, dtypes.float32, 1, False, 2.2)
      self._validateNthElement(inputs, dtypes.float32, 1, True, 4.4)
  
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 2 for calling the NthElementTest obj's underlying member method code with example usage: obj.testExample1() without return types