$ 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.

An iterator is an object that allows you to traverse a collection of elements one by one, providing a method to access each element in the collection. Collections in Python such as lists, sets, tuples ...

An iterator in Python is an object that can be iterated upon, meaning that you can traverse through all its values. Typically, an iterator is implemented with methods __iter__() and __next__ ...