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详细说明：Beginning python 3.pdfBeginning Python: From Novice to Professional Magnus Lie hetland Trondheim, Norway ISBN13(pbk):978-1-48420029-2 SBN-l3( electronic):978-1-4842-0028-5 DOI10.1007/978-1-4842-0028-5 Library of congress Control Number: 2017934891 Copyright o 2017 by Magnus Lie Hetland This work is subject to copyright All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed Trademarked names, logos, and images may appear in this book. Rather than use a trademark symbol with every occurrence of a trademarked name, logo, or image we use the names, logos, and images only in an editorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are notidentified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights While the advice and information in this book are believed to be true and accurate at the date of publication, neither the authors nor the editors nor the publisher can accept any legal responsibility for any errors or omissions that may be made. The publisher makes no warranty, express or implied, with respect to the material contained herein Managing Director: Welmoed Spahr Lead Editor: Steve Anglin Development Editor: Matthew Moodie Technical reviewer: michael Thomas Coordinating editor: Mark Powers Copy Editor: Kim Wimpsett Compositor: SPi Global Indexer: SPi global Artist: SPi globa Cover image designed by shutterstock Distributed to the book trade worldwide by Springer Science+Business Media New York, 233 Spring Street, 6th Floor, New York, NY 10013. Phone 1-800-SPRINGER, fax(201)348-4505, e-mail orders-nyspringer sbmcomorvisitwww.springeronline.comApressmediaLlcisaCaliforniaLlcandthesolemember (owner) is Springer Science Business Media Finance Inc(SSBM Finance Inc). SSBM Finance Inc is a Delaware corporation Forinformationontranslationspleasee-mailrightsapress.com,orvisitwww.apress.com/us/services/ rights-permission Apress titles may be purchased in bulk for academic, corporate, or promotional use eBook versions licenses are also available for most titles for more information reference our print and ebook bulk sales web pageatwww.apress.com/bulk-sales Any source code or other supplementary material referenced by the author in this book is available to readers fordownloadorcloningatGithubviathebooksproductpagelocatedatwww.apress.com/9781484200292 Formoredetailedinformationpleasevisithttp://www.apress.com/us/services/source-code Printed on acid-free paper For Kiersti and Tor. 欢迎加入非盈利 Pyt hor学习交流编程Q群783462347,群里免费提供5004本 Pyt hoη书籍 Contents at a glance About the author…nxv About the technical reviewer ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ XXVI Preface Introduction Chapter 1: Instant Hacking: The basics amaammmmmmmman 1 Chapter 2: Lists and Tuples amant ■■■■■口■■■■ ■■■■■口■■■■■■■■■■■■■■■■■■■口■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 25 Chapter 3: Working with Strings ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 45 Chapter 4: Dictionaries: When Indices Won't Do aa ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 59 Chapter 5: Conditionals, Loops, and Some other Statements mmmmmmmm 71 Chapter 6: Abstraction. 101 Chapter 7: More Abstraction ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■口■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 129 Chapter 8: Exceptions.tamar na149 Chapter 9: Magic Methods Properties, and iterators mmmmmm 163 Chapter 10: Batteries Included u195 Chapter 11: Files and stuff 241 Chapter 12: Graphical User Interfaces ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 253 Chapter 13: Database Support. Chapter 14: Network Programming amm m mmm Eman 273 Chapter 15: Python and the Web a289 Chapter 16: Testing, 1-2-3mmHBBRBBBIB BEEBBEEB BEIBIRRIBMMEIIIIEIRIIIIIIRIREIIRI 307 欢迎加入非盈利 Pyt hor学习交流编程Q群783462347,群里免费提供5004本 Pyt hoη书籍 CONTENTS ATA GLANCE Chapter 17: Extending Python u321 Chapter 18: Packaging Your Programsmmmaa ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 337 Chapter 19: Playful Programming n343 Chapter 20: Project 1: Instant Markup 353 Chapter21: Project 2: Painting a Pretty Picture.,,,,……,,,,,…373 Chapter 22: Project 3: XML for All Occasions aaIn 383 Chapter 23: Project 4: In the News. mmaa mmmmaan 397 Chapter 24: Project 5: A Virtual Tea Party 409 Chapter 25: Project 6: Remote Editing with CGI ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 425 Chapter 26: Project 7: Your Own Bulletin Board 435 Chapter 27: Project 8: File sharing with XML-RPCmmmmnmm, 451 Chapter 28: Project 9: File sharing ll-Now with gUi!aaat ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 467 Chapter 29: Project 10: Do-lt-Yourself Arcade Game aaa 475 Appendix A: The short Version n495 Appendix B: python Reference 503 Indexummmmm 519 欢迎加入非盈利 Pyt hor学习交流编程Q群783462347,群里免费提供5004本 Pyt hoη书籍 Contents About the author…nxv About the technical reviewer ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ XXVI Preface Introduction Chapter 1: Instant Hacking: The basics amaammmmmmmman 1 The Interactive Interpreter Algo...What?… Numbers and Expressions Hexadecimal octals and binary . Variables 23556 Statements… Getting Input from the User Functions 6789 Modules cmath and Complex Numbers ..tem. 10 Back to the future Saving and Executing Your Programs. Running Your Python Scripts from a Command Prompt . Making Your Scripts Behave Like Normal Programs....................... 13 Comments 14 Strings 14 Single-Quoted Strings and Escaping Quotes Concatenating Strings……,,.,., 欢迎加入非盈利 Pyt hor学习交流编程Q群783462347,群里免费提供5004本 Pyt hoη书籍 CONteNtS String Representations, str and repr 16 ong Strings, Raw Strings, and bytes 17 A Quick Summary.………22 New Functions in This chapter.......................23 What now? Chapter 2: Lists and tuples ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 25 Sequence Overview 25 Common Sequence Operations 26 Indexing….,26 Slicing 28 Adding sequences 30 Multiplication Membership 32 Length, Minimum, and Maximum 33 Lists: Python's Workhorse.mmmananannamemamamamnnnnananannmamamamamninananan 34 The list function… Basic list operations List methods∴ Tuples: Immutable Sequences.. A Quick Summary New Functions in This Chapter 332444 What now? Chapter 3: Working with Strings 5 Basic String Operations String formatting the short version String Formatting: The Long version Replacement field Names 55444 Basic conversions… Width, Precision, and Thousands separators Signs, Alignment, and Zero-Padding 欢迎加入非盈利 Pyt hor学习交流编程Q群783462347,群里免费提供5004本 Pyt hoη书籍 CONTENTS String Methods 52 center 53 find .53 lower replace olit 55 stri 56 translate 日日B面日日日自面日日日面日日B面日日日自面日日面B自面日日日B面日面目面日目面日面面日面日日面面日面重日日面日面日面日面日面面日面日自日面日面重日日面日面日 56 Is My String A Quick Summary. New Functions in This chapter What now? 158 Chapter 4: Dictionaries: When Indices Won't Do ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 59 Dictionary Uses 59 Creating and Using Dictionaries The dict function,……60 Basic Dictionary Operations .......6 String Formatting with Dictionaries Dictionary Methods . A Quick Summary…,,…, 70 New Functions in This chapter What now? Chapter 5: Conditionals, Loops, and Some Other Statements n71 More about print and import Printing Multiple arguments.. mporting Something as Something Else…… 2 Assignment Magic. 173 Sequence Unpacking… Chained assignments… 面日面B面日面面日面面B日面日面日日面面日B面面日面面正面日面面B面面面日面面B量 75 Augmented assignments ..................................................................................................75 欢迎加入非盈利 Pyt hor学习交流编程Q群783462347,群里免费提供5004本 Pyt hoη书籍 CONTENTS Blocks: The Joy of Indentation 76 Conditions and conditional statements So Thats what those boolean values are for 668 Conditional execution and the if statement else clauses ,78 elif clauses 79 Nesting B|cks…,,, More complex conditio 79 84 oops.n. 85 While l00ps… for Loops 86 Iterating Over Dictionaries 87 Some iteration utilities 87 Breaking out of Loops else Clauses in Loops… 92 Comprehensions--Slightly Loopy 92 And three for the road 94 Nothing Happened Deleting with del 94 Executing and evaluating strings with exec and eval 96 A Quick Summary. 98 New Functions in This chapter.…… What now? Chapter 6: Abstraction.m mammmmmmmmnmmn 101 Laziness is a virtue ,101 Abstraction and structure ,102 Creating Your Own Functions 102 Documenting Functions..................... 103 Functions That Aren t Really Functions 104

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