I think many python programmers think of an iterable as a container of items that allows several passes through it. In other words, they would think the following code is correct: def count_max_values ...

Imagine you’re waiting in line to get into a movie 🎥 theater. When it’s finally your 🧑 turn to enter, the attendant 👮 checks your ticket and allows you to proceed. Just like this, iterators allow ...

What follows is a bit more detail about iterables and iteration in Python. You can skip this section entirely if you wish. This is presented here for the sole purpose of demonstrating what goes on ...

We’ve seen that while loops are useful when we know we wish to perform a calculation or task, but we don’t know in advance how many iterations we may need. Thus, while loops provide a condition, and ...