code: def test_complexlist(self):
      def fn(a: List[complex], idx: int):
          return a[idx]
  
      input = [1j, 2, 3 + 4j, -5, -7j]
      self.checkScript(fn, (input, 2))
  
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 2 for calling the TestComplex obj's underlying member method code with example usage: obj.test_complexlist() and returns: a