OOP

Its called pseudo private class variable, with the two underscores prefix. They are not truly private, just a bit obfuscated. This is how you can access them: https://code.sololearn.com/caqn8lQkDFKt/?ref=app

With instantiating the class: t = b() print(t._b__a) Without instantiating: print(b.__dict__['_b__a'])