NOTE: The code covered in this post uses Python 3. The scripts can be converted to Python 2 with minimal effort, but the author would encourage any user of Python 2 to "put on your big kid pants" and make the switch to Python 3. Let's all make this painful, drawn-out switch from Python 2 to Python 3 a thing of the past, shall we?

Table of Contents

• Introduction
• A Simple Manual Exmaple
• Pseudocode
• Python Code
• Output and Timing

Introduction

The letter/word coverage problem, as presented by Donald Knuth in Volume 4, Facicle 0 of his masterpiece Art of …