- Cover Page
- Title Page
- Copyright Page
- About the Author
- About the Technical Reviewer
- Brief Contents
- Contents in Detail
- Acknowledgments
- Introduction
- Part I: Basics
- Chapter 1: Getting Started
- Chapter 2: Variables and Simple Data Types
- What Really Happens When You Run hello_world.py
- Variables
- Strings
- Changing Case in a String with Methods
- Combining or Concatenating Strings
- Adding Whitespace to Strings with Tabs or Newlines
- Stripping Whitespace
- Avoiding Syntax Errors with Strings
- Printing in Python 2
- Exercise 2-3: Personal Message
- Exercise 2-4: Name Cases
- Exercise 2-5: Famous Quote
- Exercise 2-6: Famous Quote 2
- Exercise 2-7: Stripping Names
- Numbers
- Comments
- The Zen of Python
- Summary
- Chapter 3: Introducing Lists
- What Is a List?
- Changing, Adding, and Removing Elements
- Organizing a List
- Avoiding Index Errors When Working with Lists
- Summary
- Chapter 4: Working with Lists
- Looping Through an Entire List
- Avoiding Indentation Errors
- Making Numerical Lists
- Using the range() Function
- Using range() to Make a List of Numbers
- Simple Statistics with a List of Numbers
- List Comprehensions
- Exercise 4-3: Counting to Twenty
- Exercise 4-4: One Million
- Exercise 4-5: Summing a Million
- Exercise 4-6: Odd Numbers
- Exercise 4-7: Threes
- Exercise 4-8: Cubes
- Exercise 4-9: Cube Comprehension
- Working with Part of a List
- Tuples
- Styling Your Code
- Summary
- Chapter 5: If Statements
- A Simple Example
- Conditional Tests
- Checking for Equality
- Ignoring Case When Checking for Equality
- Checking for Inequality
- Numerical Comparisons
- Checking Multiple Conditions
- Checking Whether a Value Is in a List
- Checking Whether a Value Is Not in a List
- Boolean Expressions
- Exercise 5-1: Conditional Tests
- Exercise 5-2: More Conditional Tests
- if Statements
- Using if Statements with Lists
- Styling Your if Statements
- Summary
- Chapter 6: Dictionaries
- Chapter 7: User Input and while Loops
- Chapter 8: Functions
- Chapter 9: Classes
- Creating and Using a Class
- Working with Classes and Instances
- Inheritance
- The __init__() Method for a Child Class
- Inheritance in Python 2.7
- Defining Attributes and Methods for the Child Class
- Overriding Methods from the Parent Class
- Instances as Attributes
- Modeling Real-World Objects
- Exercise 9-6: Ice Cream Stand
- Exercise 9-7: Admin
- Exercise 9-8: Privileges
- Exercise 9-9: Battery Upgrade
- Importing Classes
- Importing a Single Class
- Storing Multiple Classes in a Module
- Importing Multiple Classes from a Module
- Importing an Entire Module
- Importing All Classes from a Module
- Importing a Module into a Module
- Finding Your Own Workflow
- Exercise 9-10: Imported Restaurant
- Exercise 9-11: Imported Admin
- Exercise 9-12: Multiple Modules
- The Python Standard Library
- Styling Classes
- Summary
- Chapter 10: Files and Exceptions
- Reading from a File
- Writing to a File
- Exceptions
- Handling the ZeroDivisionError Exception
- Using try-except Blocks
- Using Exceptions to Prevent Crashes
- The else Block
- Handling the FileNotFoundError Exception
- Analyzing Text
- Working with Multiple Files
- Failing Silently
- Deciding Which Errors to Report
- Exercise 10-6: Addition
- Exercise 10-7: Addition Calculator
- Exercise 10-8: Cats and Dogs
- Exercise 10-9: Silent Cats and Dogs
- Exercise 10-10: Common Words
- Storing Data
- Summary
- Chapter 11: Testing Your Code
- Part II: Projects
- Project 1: Alien Invasion
- Chapter 12: A Ship That Fires Bullets
- Chapter 13: Aliens!
- Chapter 14: Scoring
- Adding the Play Button
- Leveling Up
- Scoring
- Displaying the Score
- Making a Scoreboard
- Updating the Score as Aliens Are Shot Down
- Making Sure to Score All Hits
- Increasing Point Values
- Rounding the Score
- High Scores
- Displaying the Level
- Displaying the Number of Ships
- Exercise 14-4: All-Time High Score
- Exercise 14-5: Refactoring
- Exercise 14-6: Expanding Alien Invasion
- Summary
- Project 2: Data Visualization
- Chapter 15: Generating Data
- Installing matplotlib
- Plotting a Simple Line Graph
- Changing the Label Type and Graph Thickness
- Correcting the Plot
- Plotting and Styling Individual Points with scatter()
- Plotting a Series of Points with scatter()
- Calculating Data Automatically
- Removing Outlines from Data Points
- Defining Custom Colors
- Using a Colormap
- Saving Your Plots Automatically
- Exercise 15-1: Cubes
- Exercise 15-2: Colored Cubes
- Random Walks
- Creating the RandomWalk() Class
- Choosing Directions
- Plotting the Random Walk
- Generating Multiple Random Walks
- Styling the Walk
- Coloring the Points
- Plotting the Starting and Ending Points
- Cleaning Up the Axes
- Adding Plot Points
- Altering the Size to Fill the Screen
- Exercise 15-3: Molecular Motion
- Exercise 15-4: Modified Random Walks
- Exercise 15-5: Refactoring
- Rolling Dice with Pygal
- Installing Pygal
- The Pygal Gallery
- Creating the Die Class
- Rolling the Die
- Analyzing the Results
- Making a Histogram
- Rolling Two Dice
- Rolling Dice of Different Sizes
- Exercise 15-6: Automatic Labels
- Exercise 15-7: Two D8s
- Exercise 15-8: Three Dice
- Exercise 15-9: Multiplication
- Exercise 15-10: Practicing with Both Libraries
- Summary
- Chapter 16: Downloading Data
- The CSV File Format
- Parsing the CSV File Headers
- Printing the Headers and Their Positions
- Extracting and Reading Data
- Plotting Data in a Temperature Chart
- The datetime Module
- Plotting Dates
- Plotting a Longer Timeframe
- Plotting a Second Data Series
- Shading an Area in the Chart
- Error-Checking
- Exercise 16-1: San Francisco
- Exercise 16-2: Sitka-Death Valley Comparison
- Exercise 16-3: Rainfall
- Exercise 16-4: Explore
- Mapping Global Data Sets: JSON Format
- Downloading World Population Data
- Extracting Relevant Data
- Converting Strings into Numerical Values
- Obtaining Two-Digit Country Codes
- Building a World Map
- Plotting Numerical Data on a World Map
- Plotting a Complete Population Map
- Grouping Countries by Population
- Styling World Maps in Pygal
- Lightening the Color Theme
- Exercise 16-5: All Countries
- Exercise 16-6: Gross Domestic Product
- Exercise 16-7: Choose Your Own Data
- Exercise 16-8: Testing the country_codes Module
- Summary
- The CSV File Format
- Chapter 17: Working with APIs
- Chapter 15: Generating Data
- Project 3: Web Applications
- Chapter 18: Getting Started with Django
- Setting Up a Project
- Starting an App
- Making Pages: The Learning Log Home Page
- Building Additional Pages
- Summary
- Chapter 19: User Accounts
- Allowing Users to Enter Data
- Setting Up User Accounts
- Allowing Users to Own Their Data
- Restricting Access with @login_required
- Connecting Data to Certain Users
- Restricting Topics Access to Appropriate Users
- Protecting a User’s Topics
- Protecting the edit_entry Page
- Associating New Topics with the Current User
- Exercise 19-3: Refactoring
- Exercise 19-4: Protecting new_entry
- Exercise 19-5: Protected Blog
- Summary
- Chapter 20: Styling and Deploying an App
- Styling Learning Log
- Deploying Learning Log
- Making a Heroku Account
- Installing the Heroku Toolbelt
- Installing Required Packages
- Creating a Packages List with a requirements.txt File
- Specifying the Python Runtime
- Modifying settings.py for Heroku
- Making a Procfile to Start Processes
- Modifying wsgi.py for Heroku
- Making a Directory for Static Files
- Using the gunicorn Server Locally
- Using Git to Track the Project’s Files
- Pushing to Heroku
- Setting Up the Database on Heroku
- Refining the Heroku Deployment
- Securing the Live Project
- Committing and Pushing Changes
- Creating Custom Error Pages
- Ongoing Development
- The SECRET_KEY Setting
- Deleting a Project on Heroku
- Exercise 20-3: Live Blog
- Exercise 20-4: More 404s
- Exercise 20-5: Extended Learning Log
- Summary
- Chapter 18: Getting Started with Django
- Afterword
- Appendix A: Installing Python
- Appendix B: Text Editors
- Appendix C: Getting Help
- Appendix D: Using Git for Version Control
- Index
- Resources
PYTHON CRASH COURSE. Copyright © 2016 by Eric Matthes.
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher.
ISBN-10: 1-59327-603-6
ISBN-13: 978-1-59327-603-4
Publisher: William Pollock
Production Editor: Riley Hoffman
Cover Illustration: Josh Ellingson
Interior Design: Octopod Studios
Developmental Editors: William Pollock, Liz Chadwick, and Leslie Shen
Technical Reviewer: Kenneth Love
Copyeditor: Anne Marie Walker
Compositor: Riley Hoffman
Proofreader: James Fraleigh
For information on distribution, translations, or bulk sales, please contact No Starch Press, Inc. directly:
No Starch Press, Inc.
245 8th Street, San Francisco, CA 94103
phone: 1.415.863.9900; [email protected]
Library of Congress Cataloging-in-Publication Data
Matthes, Eric, 1972-
Python crash course : a hands-on, project-based introduction to programming / by Eric Matthes.
pages cm
Includes index.
Summary: "A project-based introduction to programming in Python, with exercises. Covers general
programming concepts, Python fundamentals, and problem solving. Includes three projects - how to
create a simple video game, use data visualization techniques to make graphs and charts, and build
an interactive web application"-- Provided by publisher.
ISBN 978-1-59327-603-4 -- ISBN 1-59327-603-6
1. Python (Computer program language) I. Title.
QA76.73.P98M38 2015
005.13'3--dc23
2015018135
No Starch Press and the No Starch Press logo are registered trademarks of No Starch Press, Inc. Other product and company names mentioned herein may be the trademarks of their respective owners. Rather than use a trademark symbol with every occurrence of a trademarked name, we are using the names only in an editorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark.
The information in this book is distributed on an “As Is” basis, without warranty. While every precaution has been taken in the preparation of this work, neither the author nor No Starch Press, Inc. shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the information contained in it.
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