Head First Learn to Code

by Eric Freeman

Copyright © 2018 Eric Freeman. All rights reserved.

Printed in the United States of America.

Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.

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Editors:	Jeff Bleiel, Dawn Schanafelt, Meghan Blanchette
Cover Designer:	Randy Comer
Production Editor:	Melanie Yarbrough
Indexer:	Lucie Haskins
Proofreader:	Rachel Monaghan
Brain image on spine:	Eric Freeman

Printing History:

January 2018: First Edition.

Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc. The Head First series designations, Head First Learn to Code, and related trade dress are trademarks of O’Reilly Media, Inc.

Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc., was aware of a trademark claim, the designations have been printed in caps or initial caps.

While every precaution has been taken in the preparation of this book, the publisher and the author assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein.

In other words, if you use anything in Head First Learn to Code to, say, run a nuclear power plant, you’re on your own.

No turtles were harmed in the making of this book.

ISBN: 978-1-491-95886-5

[MBP]

[2020-03-20]