[lang-ref] ( can_have_nested_class ) ( python )

def test_can_have_nested_class():
    # Yes
    class Class01:
        class InnerClass01:
            pass

        def __init__(self):
            self.inner_class = self.InnerClass01()

    c = Class01()

    assert type(c.inner_class) == Class01.InnerClass01