Core Python programming / Wesley J. Chun. – 2nd ed. p. cm. Includes bibliographical references and index. ISBN 0-13-226993-7 (pbk. : alk. paper) 1. Python (Computer program language) I. Title. QA76.73.P98C48 2006 005.13’3–dc22 2006019559 Copyright © 2007 Pearson Education, Inc. All rights reserved. Printed in the United States of America. This publication