code: def test_indexing(self):
      self.assertEqual(self._int_float_values[2], 1.1)
      self.assertEqual(
          self._int_float_values[TestValues.TestIntType(2)], 1.1
      )
      self.assertEqual(
          self._tuple_float_float_values[
              TestValues.TestTupleFloatType((3.0, 4.0))
          ],
          4.4,
      )
  
imports: import unittest
  from typing import Tuple, Union
  import numpy
  import torch
  from reagent.ope.estimators.types import ActionDistribution, TypeWrapper, Values
label_desc: Use image node_id 2 for calling the TestValues obj's underlying member method code with example usage: obj.test_indexing() without return types