code: def test_if_else(self):
      def list_in_if_else(x: Any):
          if torch.jit.isinstance(x, Tuple[str, str, str]):
              assert True
          else:
              assert not True
  
      x = ("a", "b", "c")
      self.checkScript(list_in_if_else, (x,))
  
imports: import os
  import sys
  import torch
  import warnings
  from typing import List, Any, Dict, Tuple, Optional
  from torch.testing._internal.jit_utils import JitTestCase
label_desc: Use image node_id 19 for calling the TestIsinstance obj's underlying member method code with example usage: obj.test_if_else() without return types