code: def test_tuple_iterator_mutate(self):
      def fn(x, it):
          x = x + next(it)
          x = x + next(it)
          x = x + next(it)
          x = x + next(it)
          return x
  
      v1 = torch.randn(10)
      it1 = iter(tuple(range(10)))
      cnt = torch._dynamo.testing.CompileCounter()
      opt_fn = torch._dynamo.optimize(cnt)(fn)
      self.assertEqual(
          opt_fn(v1, it1).tolist(), (v1 + 1 + 2 + 3).tolist()
      )
      self.assertEqual(list(it1), [4, 5, 6, 7, 8, 9])
  
imports: from unittest.mock import patch
  import torch
  import torch._dynamo.test_case
  import torch._dynamo.testing
  from torch._dynamo.testing import unsupported
  from torch._dynamo.utils import ifdynstaticdefault
label_desc: Use image node_id 44 for calling the SubGraphTests obj's underlying member method code with example usage: obj.test_tuple_iterator_mutate() and returns: x