A Python for loop has two components: A container, sequence, or generator that contains or yields the elements to be looped over. In general, any object that supports Python’s iterator protocol ...

$ python iterator_test.py 463 926 1389 1852 Let’s take a look at what’s going on. We made our own class and defined a __next__ method, which returns a new iteration every time it’s called.

This post explains how to use loops in Python. You'll learn FOR loops, WHILE loops, BREAK, CONTINUE and more. ... we can actually change the iterator – the number of steps taken on each loop. Code.