Python de diédàiqì yòng next() huòqǔ xià yīgè yuánsù.
Python iterators use next() to get the next element.
Tips
memory
迭 (alternate/take turns) + 代 (replace/generation) = 'take turns replacing' — exactly what an iterator does as it advances through elements. 器 turns it into a thing: '-er' / device.
