code: def test_anonymous_axes(self) -> None:
      a, b = AnonymousAxis("2"), AnonymousAxis("2")
      self.assertNotEqual(a, b)
  
      with mock.patch.object(
          AnonymousAxis, "__eq__", mock_anonymous_axis_eq
      ):
          c, d = AnonymousAxis("2"), AnonymousAxis("3")
          self.assertEqual(a, c)
          self.assertEqual(b, c)
          self.assertNotEqual(a, d)
          self.assertNotEqual(b, d)
          self.assertListEqual([a, 2, b], [c, 2, c])
  
imports: from typing import Any, Callable, Dict
  from unittest import mock
  from functorch.einops._parsing import AnonymousAxis, ParsedExpression, parse_pattern, validate_rearrange_expressions, _ellipsis
  from torch.testing._internal.common_utils import TestCase, run_tests
label_desc: Use image node_id 1 for calling the TestAnonymousAxis obj's underlying member method code with example usage: obj.test_anonymous_axes() without return types