: Because of Glenn Maynard for drawing my awareness to the need to make clear the difference between iterators over the one hand and containers that are iterables rather than iterators on the opposite. kmario23kmario23 62k1717 gold badges172172 silver badges159159 bronze badges 2 2 Indeed, I believe we know why https://accessoryboxes89900.pointblog.net/facts-about-accessory-boxes-revealed-84529721