Python Iterators, Generators And Decorators Made Easy

A Quick Implementation Guide

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Recently I received an email from one of my readers asking me to write about Python’s complex topics such as Iterators, Generators, and Decorators. In this post, I’m going to cover the basics, implementation, and how to use them in your code.

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Let’s dive in!

1. Iterators: In Python, an iterator is an object that implements the __iter__ method and the __next__ method, allowing it to be used in a for loop or with the next function. The __iter__ method returns the iterator object itself, and the __next__ method returns the next value in the iteration. When there are no more values to return, the __next__ method raises a StopIteration exception.
2. Generators: A generator is a special type…