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Many of the code examples in this book are based on work from “Learning Python, Fifth Edition, by Mark Lutz. Copyright 2013 Mark Lutz, 978-1-4493-5573-9”. However, the source code for the author’s programs within this text is licensed under the GNU General Public License (GPL).
license information covers all code contained herein, except those
that explicitly state otherwise: Copyright © 2006-2016 Cody Jackson.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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More information about this book, as well as source code files and to contact the author, can be found online at http://python-ebook.blogspot.com.