(main) % ./python.exe                                                                                                                ~/dev/cpythonPython 3.14.0a0 (heads/main:66f8bb76a1, May  8 2024, 17:00:15) [Clang 15.0.0 (clang-1500.3.9.4)] on darwinType "help", "copyright", "credits" or "license" for more information.>>>None.foo='bar'Traceback (most recent call last):  File "<python-input-0>", line 1, in <module>    None.foo = 'bar'    ^^^^^^^^AttributeError: 'NoneType' object has no attribute 'foo' and no __dict__ for setting new attributes>>>NotImplemented.foo='bar'Traceback (most recent call last):  File "<python-input-1>", line 1, in <module>    NotImplemented.foo = 'bar'    ^^^^^^^^^^^^^^^^^^AttributeError: 'NotImplementedType' object has no attribute 'foo' and no __dict__ for setting new attributes>>>from typingimport NoDefault>>> NoDefault.foo='bar'Traceback (most recent call last):  File "<python-input-3>", line 1, in <module>    NoDefault.foo = 'bar'    ^^^^^^^^^^^^^TypeError: 'NoDefaultType' object has no attributes (assign to .foo)