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Think
Python
HOW TO THINK LIKE A COMPUTER SCIENTIST
Allen B. Downey
,
, SECOND EDITION
Think Python
Allen B. Downey
Boston
, Think Python
by Allen B. Downey
Copyright © 2016 Allen Downey. All rights reserved.
Printed in the United States of America.
Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.
O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are
also available for most titles (http://safaribooksonline.com). For more information, contact our corporate/
institutional sales department: 800-998-9938 or .
Editor: Meghan Blanchette Indexer: Allen Downey
Production Editor: Kristen Brown Interior Designer: David Futato
Copyeditor: Nan Reinhardt Cover Designer: Karen Montgomery
Proofreader: Amanda Kersey Illustrator: Rebecca Demarest
August 2012: First Edition
December 2015: Second Edition
Revision History for the Second Edition
2015-11-20: First Release
See http://oreilly.com/catalog/errata.csp?isbn=9781491939369 for release details.
The O’Reilly logo is a registered trademark of O’Reilly Media, Inc. Think Python, the cover image of a
Carolina parrot, and related trade dress are trademarks of O’Reilly Media, Inc.
While the publisher and the author have used good faith efforts to ensure that the information and
instructions contained in this work are accurate, the publisher and the author disclaim all responsibility
for errors or omissions, including without limitation responsibility for damages resulting from the use of
or reliance on this work. Use of the information and instructions contained in this work is at your own
risk. If any code samples or other technology this work contains or describes is subject to open source
licenses or the intellectual property rights of others, it is your responsibility to ensure that your use
thereof complies with such licenses and/or rights.
Think Python is available under the Creative Commons Attribution-NonCommercial 3.0 Unported
License. The author maintains an online version at http://greenteapress.com/thinkpython2/.
978-1-491-93936-9
[LSI]
2 n te d f
da
d or
Ed P y
iti tho
on n
3
Think
Python
HOW TO THINK LIKE A COMPUTER SCIENTIST
Allen B. Downey
,
, SECOND EDITION
Think Python
Allen B. Downey
Boston
, Think Python
by Allen B. Downey
Copyright © 2016 Allen Downey. All rights reserved.
Printed in the United States of America.
Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.
O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are
also available for most titles (http://safaribooksonline.com). For more information, contact our corporate/
institutional sales department: 800-998-9938 or .
Editor: Meghan Blanchette Indexer: Allen Downey
Production Editor: Kristen Brown Interior Designer: David Futato
Copyeditor: Nan Reinhardt Cover Designer: Karen Montgomery
Proofreader: Amanda Kersey Illustrator: Rebecca Demarest
August 2012: First Edition
December 2015: Second Edition
Revision History for the Second Edition
2015-11-20: First Release
See http://oreilly.com/catalog/errata.csp?isbn=9781491939369 for release details.
The O’Reilly logo is a registered trademark of O’Reilly Media, Inc. Think Python, the cover image of a
Carolina parrot, and related trade dress are trademarks of O’Reilly Media, Inc.
While the publisher and the author have used good faith efforts to ensure that the information and
instructions contained in this work are accurate, the publisher and the author disclaim all responsibility
for errors or omissions, including without limitation responsibility for damages resulting from the use of
or reliance on this work. Use of the information and instructions contained in this work is at your own
risk. If any code samples or other technology this work contains or describes is subject to open source
licenses or the intellectual property rights of others, it is your responsibility to ensure that your use
thereof complies with such licenses and/or rights.
Think Python is available under the Creative Commons Attribution-NonCommercial 3.0 Unported
License. The author maintains an online version at http://greenteapress.com/thinkpython2/.
978-1-491-93936-9
[LSI]