code: def test_tuple_io(self):
      def stuff(x):
          # type: (Tuple[Tensor, Tensor]) -> Tuple[Tensor, Tensor]
          a, b = x
          return b, a
  
      a = (torch.rand(3), torch.rand(3))
      self.checkScript(stuff, (a,))
  
imports: import os
  import sys
  import torch
  from torch.testing._internal.jit_utils import JitTestCase, make_global
  from torch.testing._internal.common_utils import IS_WINDOWS
  from collections import namedtuple
  from typing import List, Tuple, Dict, NamedTuple
label_desc: Use image node_id 7 for calling the TestTyping obj's underlying member method code with example usage: obj.test_tuple_io() and returns: b,  a