Home > Store

Python in 24 Hours, Sams Teach Yourself, 2nd Edition

eBook (Watermarked)

  • Your Price: $22.39
  • List Price: $27.99
  • Includes EPUB and PDF
  • About eBook Formats
  • This eBook includes the following formats, accessible from your Account page after purchase:

    ePub EPUB The open industry format known for its reflowable content and usability on supported mobile devices.

    Adobe Reader PDF The popular standard, used most often with the free Adobe® Reader® software.

    This eBook requires no passwords or activation to read. We customize your eBook by discreetly watermarking it with your name, making it uniquely yours.

Also available in other formats.

Register your product to gain access to bonus material or receive a coupon.


  • Copyright 2014
  • Dimensions: 7" x 9-1/8"
  • Edition: 2nd
  • eBook (Watermarked)
  • ISBN-10: 0-13-335448-2
  • ISBN-13: 978-0-13-335448-5

In just 24 sessions of one hour or less, Sams Teach Yourself Python in 24 Hours will help you get started fast, master all the core concepts of programming, and build anything from websites to games. Using this book’s straightforward, step-by-step approach, you’ll move from the absolute basics through functions, objects, classes, modules, database integration, and more. Every lesson and case study application builds on what you’ve already learned, giving you a rock-solid foundation for real-world success!

Step-by-step instructions carefully walk you through the most common Python development tasks.

Quizzes and Exercises at the end of each chapter help you test your knowledge.

Notes present interesting information related to the discussion.

Tips offer advice or show you easier ways to perform tasks.

Warnings alert you to possible problems and give you advice on how to avoid them.

Learn how to…

  • Install and run the right version of Python for your operating system
  • Store, manipulate, reformat, combine, and organize information
  • Create logic to control how programs run and what they do
  • Interact with users or other programs, wherever they are
  • Save time and improve reliability by creating reusable functions
  • Master Python data types: numbers, text, lists, and dictionaries
  • Write object-oriented programs that work better and are easier to improve
  • Expand Python classes to make them even more powerful
  • Use third-party modules to perform complex tasks without writing new code
  • Split programs to make them more maintainable and reusable
  • Clearly document your code so others can work with it
  • Store data in SQLite databases, write queries, and share data via JSON
  • Simplify Python web development with the Flask framework
  • Quickly program Python games with PyGame
  • Avoid, troubleshoot, and fix problems with your code

Sample Content

Table of Contents

Preface    xiv

Who This Book Is For    xiv

How This Book Is Organized    xiv

Introduction    1

Learning to Program    1

Why Python?    2

Getting Started    2

How This Book Works    3

What to Do If You Get Stuck    3

HOUR 1  Installing and Running Python 5

Discovering Your Operating System    5

Setting Up Python on Windows    7

Setting Up Python on a Mac    11

Summary    15

Q&A    15

Workshop    16

HOUR 2  Putting Numbers to Work in Python    17

Storing Information with Variables    17

Doing Math in Python    20

Comparing Numbers    23

Applying Python Math in the Real World    24

Summary    25

Q&A    26

Workshop    26

HOUR 3  Logic in Programming    27

Using a Basic if Statement    27

Creating Blocks    28

Adding an else to an if    29

Testing Many Things with elif    30

True and False Variables.    31

Using try/except to Avoid Errors    32

Applying Logic to Real-World Problems    34

Summary    35

Q&A    35

Workshop    36

HOUR 4  Storing Text in Strings    37

Creating Strings    37

Printing Strings    38

Getting Information About a String    38

Math and Comparison    40

Formatting Strings.    42

Using Strings in the Real World    46

Summary    47

Q&A    47

Workshop    48

HOUR 5  Processing Input and Output    49

Getting Information from the Command Line    49

Getting a Password    53

Cleaning Up User Input    54

Formatting Output    55

Managing Input and Output in the Real World    57

Summary    58

Q&A    58

Workshop    58

HOUR 6  Grouping Items in Lists    61

Creating a List    61

Getting Information About a List    63

Manipulating Lists    64

Using Math in Lists    65

Ordering Lists    66

Comparing Lists    67

Using Lists in the Real World    67

Summary    68

Q&A    68

Workshop    69

HOUR 7  Using Loops to Repeat Code    71

Repeating a Set Number of Times    71

Repeating Only When True    76

Using Loops in the Real World    77

Summary    79

Q&A    79

Workshop    80

HOUR 8  Using Functions to Create Reusable Code    81

Creating a Basic Function    81

Passing Values to Functions    82

Variables in Functions: Scope    86

Grouping Functions Within a Function    88

Sending a Varying Number of Parameters    88

Using Functions in the Real World    89

Summary    92

Q&A    92

Workshop    93

HOUR 9  Using Dictionaries to Pair Keys with Values    95

Creating a Dictionary    95

Getting Information About a Dictionary    97

Comparing Dictionaries.    98

Using Dictionaries in the Real World    99

Summary    101

Q&A    101

Workshop    101

HOUR 10  Making Objects    103

Object-Oriented Programming    103

Planning an Object    107

Making Objects Out of Objects    108

Using Objects in the Real World    110

Summary    111

Q&A    111

Workshop    111

HOUR 11  Making Classes    113

Making a Basic Class Statement    113

Adding Methods to Classes    114

Setting Up Class Instances    116

Using Classes in the Real World    119

Summary    122

Q&A    122

Workshop    122

HOUR 12  Expanding Classes to Add Functionality    125

Built-in Extras    125

Class Inheritance    130

When to Expand Classes in the Real World    134

Summary    136

Q&A    136

Workshop    137

HOUR 13  Using Python’s Modules to Add Functionality    139

Python Packages    139

Using the random Module    140

Using the datetime Module    143

Finding More Modules    145

Using Modules in the Real World    146

Summary    147

Q&A    147

Workshop    148

HOUR 14  Splitting Up a Program    149

Why Split Up a Program?    149

Deciding How to Break Up Code    150

How Python Finds a Program’s Code    152

Splitting Up Code in the Real World    155

Summary    157

Q&A    157

Workshop    158

HOUR 15  Providing Documentation for Code    159

The Need for Good Documentation    159

Embedding Comments in Code    160

Explaining Code with Docstrings    162

Including README and INSTALL    164

Providing Documentation in the Real World    167

Summary    168

Q&A    168

Workshop    169

HOUR 16  Working with Program Files    171

Reading to and Writing from Files    171

Creating Files    174

Getting Information About a Directory    175

Getting Information About a File    178

Using Files in the Real World    180

Summary    181

Q&A    181

Workshop    181

HOUR 17  Sharing Information with JSON    183

The JSON Format    183

Working with JSON Files    185

Saving Objects as JSON    188

Creating Custom Dictionaries    189

Using JSON in the Real World    191

Summary    194

Q&A    194

Workshop    195

HOUR 18  Storing Information in Databases    197

Why Use Databases?    197

Talking to Databases with SQL.    198

Creating a Database    200

Querying the Database    203

Using Databases in the Real World    205

Summary    207

Q&A    207

Workshop    208

HOUR 19  Using SQL to Get More out of Databases    209

Filtering with WHERE    210

Sorting with ORDER BY    214

Getting Unique Items with DISTINCT    215

Updating Records with UPDATE    215

Deleting Records with DELETE    216

Using SQL in the Real World    217

Summary    220

Q&A    220

Workshop    221

HOUR 20  Developing for the Web with Flask    223

What Is Flask?    223

Installing Flask    225

Making Your First Flask App    228

Adding Templates    231

Using Frameworks in the Real World    237

Summary    238

Q&A    238

Workshop    239

HOUR 21  Making Games with PyGame    241

What Is PyGame?    241

Installing PyGame    242

Creating Screens    243

Creating Shapes    245

Moving Things Around on the Screen    248

Getting Input from the User    250

Drawing Text.    252

Using PyGame in the Real World    253

Summary    257

Q&A    257

Workshop    258

HOUR 22  Saving Your Code Properly Through Versioning    259

What Is Versioning?    259

Versioning with Git and GitHub    261

Managing Code in a Repository    263

Experimental Changes with Branches    267

Determining What Not to Push    270

Summary    271

Q&A    271

Workshop    271

HOUR 23  Fixing Problem Code    273

When Your Code Has a Bug    273

Locating Errors with a Traceback    274

Finding Errors with the pdb Debugger    275

Searching the Internet for Solutions    278

Trying a Fix    279

Finding Outside Support    280

Summary    282

Q&A    282

Workshop    283

HOUR 24  Taking the Next Steps with Python    285

Interesting Projects    285

Attending Conferences    288

Working with Linux    288

Contributing to Python    290

Contributing to Other Projects    290

Learning Another Language    290

Looking Forward to Python 3    291

Recommended Reading    292

Recommended Websites.    292

Summary    293

Q&A    293

Workshop    293

Index    295


Submit Errata

More Information

InformIT Promotional Mailings & Special Offers

I would like to receive exclusive offers and hear about products from InformIT and its family of brands. I can unsubscribe at any time.


Pearson Education, Inc., 221 River Street, Hoboken, New Jersey 07030, (Pearson) presents this site to provide information about products and services that can be purchased through this site.

This privacy notice provides an overview of our commitment to privacy and describes how we collect, protect, use and share personal information collected through this site. Please note that other Pearson websites and online products and services have their own separate privacy policies.

Collection and Use of Information

To conduct business and deliver products and services, Pearson collects and uses personal information in several ways in connection with this site, including:

Questions and Inquiries

For inquiries and questions, we collect the inquiry or question, together with name, contact details (email address, phone number and mailing address) and any other additional information voluntarily submitted to us through a Contact Us form or an email. We use this information to address the inquiry and respond to the question.

Online Store

For orders and purchases placed through our online store on this site, we collect order details, name, institution name and address (if applicable), email address, phone number, shipping and billing addresses, credit/debit card information, shipping options and any instructions. We use this information to complete transactions, fulfill orders, communicate with individuals placing orders or visiting the online store, and for related purposes.


Pearson may offer opportunities to provide feedback or participate in surveys, including surveys evaluating Pearson products, services or sites. Participation is voluntary. Pearson collects information requested in the survey questions and uses the information to evaluate, support, maintain and improve products, services or sites, develop new products and services, conduct educational research and for other purposes specified in the survey.

Contests and Drawings

Occasionally, we may sponsor a contest or drawing. Participation is optional. Pearson collects name, contact information and other information specified on the entry form for the contest or drawing to conduct the contest or drawing. Pearson may collect additional personal information from the winners of a contest or drawing in order to award the prize and for tax reporting purposes, as required by law.


If you have elected to receive email newsletters or promotional mailings and special offers but want to unsubscribe, simply email information@informit.com.

Service Announcements

On rare occasions it is necessary to send out a strictly service related announcement. For instance, if our service is temporarily suspended for maintenance we might send users an email. Generally, users may not opt-out of these communications, though they can deactivate their account information. However, these communications are not promotional in nature.

Customer Service

We communicate with users on a regular basis to provide requested services and in regard to issues relating to their account we reply via email or phone in accordance with the users' wishes when a user submits their information through our Contact Us form.

Other Collection and Use of Information

Application and System Logs

Pearson automatically collects log data to help ensure the delivery, availability and security of this site. Log data may include technical information about how a user or visitor connected to this site, such as browser type, type of computer/device, operating system, internet service provider and IP address. We use this information for support purposes and to monitor the health of the site, identify problems, improve service, detect unauthorized access and fraudulent activity, prevent and respond to security incidents and appropriately scale computing resources.

Web Analytics

Pearson may use third party web trend analytical services, including Google Analytics, to collect visitor information, such as IP addresses, browser types, referring pages, pages visited and time spent on a particular site. While these analytical services collect and report information on an anonymous basis, they may use cookies to gather web trend information. The information gathered may enable Pearson (but not the third party web trend services) to link information with application and system log data. Pearson uses this information for system administration and to identify problems, improve service, detect unauthorized access and fraudulent activity, prevent and respond to security incidents, appropriately scale computing resources and otherwise support and deliver this site and its services.

Cookies and Related Technologies

This site uses cookies and similar technologies to personalize content, measure traffic patterns, control security, track use and access of information on this site, and provide interest-based messages and advertising. Users can manage and block the use of cookies through their browser. Disabling or blocking certain cookies may limit the functionality of this site.

Do Not Track

This site currently does not respond to Do Not Track signals.


Pearson uses appropriate physical, administrative and technical security measures to protect personal information from unauthorized access, use and disclosure.


This site is not directed to children under the age of 13.


Pearson may send or direct marketing communications to users, provided that

  • Pearson will not use personal information collected or processed as a K-12 school service provider for the purpose of directed or targeted advertising.
  • Such marketing is consistent with applicable law and Pearson's legal obligations.
  • Pearson will not knowingly direct or send marketing communications to an individual who has expressed a preference not to receive marketing.
  • Where required by applicable law, express or implied consent to marketing exists and has not been withdrawn.

Pearson may provide personal information to a third party service provider on a restricted basis to provide marketing solely on behalf of Pearson or an affiliate or customer for whom Pearson is a service provider. Marketing preferences may be changed at any time.

Correcting/Updating Personal Information

If a user's personally identifiable information changes (such as your postal address or email address), we provide a way to correct or update that user's personal data provided to us. This can be done on the Account page. If a user no longer desires our service and desires to delete his or her account, please contact us at customer-service@informit.com and we will process the deletion of a user's account.


Users can always make an informed choice as to whether they should proceed with certain services offered by InformIT. If you choose to remove yourself from our mailing list(s) simply visit the following page and uncheck any communication you no longer want to receive: www.informit.com/u.aspx.

Sale of Personal Information

Pearson does not rent or sell personal information in exchange for any payment of money.

While Pearson does not sell personal information, as defined in Nevada law, Nevada residents may email a request for no sale of their personal information to NevadaDesignatedRequest@pearson.com.

Supplemental Privacy Statement for California Residents

California residents should read our Supplemental privacy statement for California residents in conjunction with this Privacy Notice. The Supplemental privacy statement for California residents explains Pearson's commitment to comply with California law and applies to personal information of California residents collected in connection with this site and the Services.

Sharing and Disclosure

Pearson may disclose personal information, as follows:

  • As required by law.
  • With the consent of the individual (or their parent, if the individual is a minor)
  • In response to a subpoena, court order or legal process, to the extent permitted or required by law
  • To protect the security and safety of individuals, data, assets and systems, consistent with applicable law
  • In connection the sale, joint venture or other transfer of some or all of its company or assets, subject to the provisions of this Privacy Notice
  • To investigate or address actual or suspected fraud or other illegal activities
  • To exercise its legal rights, including enforcement of the Terms of Use for this site or another contract
  • To affiliated Pearson companies and other companies and organizations who perform work for Pearson and are obligated to protect the privacy of personal information consistent with this Privacy Notice
  • To a school, organization, company or government agency, where Pearson collects or processes the personal information in a school setting or on behalf of such organization, company or government agency.


This web site contains links to other sites. Please be aware that we are not responsible for the privacy practices of such other sites. We encourage our users to be aware when they leave our site and to read the privacy statements of each and every web site that collects Personal Information. This privacy statement applies solely to information collected by this web site.

Requests and Contact

Please contact us about this Privacy Notice or if you have any requests or questions relating to the privacy of your personal information.

Changes to this Privacy Notice

We may revise this Privacy Notice through an updated posting. We will identify the effective date of the revision in the posting. Often, updates are made to provide greater clarity or to comply with changes in regulatory requirements. If the updates involve material changes to the collection, protection, use or disclosure of Personal Information, Pearson will provide notice of the change through a conspicuous notice on this site or other appropriate way. Continued use of the site after the effective date of a posted revision evidences acceptance. Please contact us if you have questions or concerns about the Privacy Notice or any objection to any revisions.

Last Update: November 17, 2020