code: def test_list_index_tf(self):
      a = constant(3.0)
      b = constant(2.0)
      l = tl.TensorList(a.shape, a.dtype)
      l.append(a)
      l0 = l[0]
      l[0] = b
      l1 = l[0]
      l0, l1, a, b = self.evaluate([l0, l1, a, b])
      self.assertEqual(l0, a)
      self.assertEqual(l1, b)
  
file_path: tensorflow-upstream/tensorflow/python/autograph/utils/tensor_list_test.py
imports: from tensorflow.python.autograph.utils import tensor_list
  from tensorflow.python.eager import context
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.framework.constant_op import constant
  from tensorflow.python.ops import list_ops
  from tensorflow.python.ops import tensor_array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 6 for calling the TensorListTest obj's underlying member method code with example usage: obj.test_list_index_tf() without return types