code: def test___complex__(self):
      z = 3 + 4j
      self.assertEqual(z.__complex__(), z)
      self.assertEqual(type(z.__complex__()), complex)
  
      class complex_subclass(complex):
          pass
  
      z = complex_subclass(3 + 4j)
      self.assertEqual(z.__complex__(), 3 + 4j)
      self.assertEqual(type(z.__complex__()), complex)
  
imports: import unittest
  import sys
  from test import support
  from test.test_grammar import VALID_UNDERSCORE_LITERALS, INVALID_UNDERSCORE_LITERALS
  from random import random
  from math import atan2, isnan, copysign
  import operator
label_desc: Use image node_id 24 for calling the ComplexTest obj's underlying member method code with example usage: obj.test___complex__() without return types