code: def test_functional_call_tuple_dicts(self):
      mod = MockModule()
      x = torch.rand((1, 1))
      parameters = {
          k: torch.ones_like(v) for k, v in mod.named_parameters()
      }
      buffers = {k: torch.zeros_like(v) for k, v in mod.named_buffers()}
  
      # two dictionaries
      res = torch.func.functional_call(mod, (parameters, buffers), x)
      self.assertEqual(res, x + 1)
  
      # no dictionaries
      res = torch.func.functional_call(mod, (), x)
      self.assertEqual(res, mod(x))
  
      # three dictonaries
      a = (
          {"l1.weight": torch.ones(1, 1)},
          {"l1.bias": torch.ones(1)},
          {"buffer": torch.zeros(1)},
      )
      res = torch.func.functional_call(mod, a, x)
      self.assertEqual(res, x + 1)
  
imports: import contextlib
  import os
  import re
  import subprocess
  import sys
  import unittest
  import torch
  import torch.nn.utils.stateless
  from torch.testing._internal.common_cuda import TEST_MULTIGPU
  from torch.testing._internal.common_utils import run_tests, TestCase, parametrize, instantiate_parametrized_tests, subtest
label_desc: Use image node_id 25 for calling the TestStatelessFunctionalAPI obj's underlying member method code with example usage: obj.test_functional_call_tuple_dicts() without return types