If there’s anywhere you’ll find a legitimate free copy, it’s from the book’s publisher. For Python Crash Course, No Starch Press is the official publisher. On rare occasions, they might offer a free ...

os.path.join (folder, filename) ensures the path is correct for the system. On Windows, it uses backslashes (reports\summary.txt); on Linux and macOS it uses forward slashes (reports/summary.txt).

Learning Python can feel like a big task, but with the freeCodeCamp Python curriculum, it gets a lot easier. I remember when I first tried to learn Python, I bounced between tutorials, books, and ...

Learn how to implement the Nadam optimizer from scratch in Python. This tutorial walks you through the math behind Nadam, explains how it builds on Adam with Nesterov momentum, and shows you how to ...