Examples used in a book Sort Lessons on Wolfram Language.
The book is available from Amazon: J.A. Miszczak, Sort Lessons on Wolfram Language: Programming, Data Processing, Graphics, Machine Learning, and Quantum Computing with Mathematica , Quoqa Pubs, ISBN: 978-8366950016, April 2024.
More information about the book: https://miszczak.eu/wl-lessons/.