> In the Ruby way, with otherwise similar setup, you would have a mixin that provided __iter__() given __len__() and __getitem__(), Python does have such a mix

> In the Ruby way, with otherwise similar setup, you would have a mixin that provided __iter__() given __len__() and __getitem__(), Python does have such a mixing, it's collections.abc.Sequence https://docs.python.org/3/library/collections.abc.html#collections-abstract-base-classes https://docs.python.org/3/library/collections.abc.html#colle...