# for subclasses. (require you have an object)print(object.__subclasses__())# for __globals__ (require you have a function)def some_function(): passprint(some_function.__globals__)# for __self__ (requires you have a class)class SomeClass: def some_method(self): passobj = SomeClass()print(obj.some_method.__self__)# for __builtins__print(__builtins__)# for __spec__import sysprint(sys.__spec__)