---
title: "7 Essential Python Itertools for Feature Engineering"
date: 2026-03-30
source: https://machinelearningmastery.com/7-essential-python-itertools-for-feature-engineering/
description: "Feature engineering is where most of the real work in machine learning happens."
---

# 7 Essential Python Itertools for Feature Engineering

Feature engineering is where most of the real work in machine learning happens.

*Published: 2026-03-30*