code: def test_script(self):
      def fn(a: complex):
          return a
  
      self.checkScript(fn, (3 + 5j,))
  
imports: import torch
  import os
  import sys
  from torch.testing._internal.jit_utils import JitTestCase, execWrapper
  from torch.testing._internal.common_utils import IS_MACOS
  from typing import List, Dict
  from itertools import product
  from textwrap import dedent
  import cmath
label_desc: Use image node_id 1 for calling the TestComplex obj's underlying member method code with example usage: obj.test_script() and returns: a