Teach Your Kids to Code · A Parent-Friendly Guide to Python Programming by Payne, Bryson -- Read -- Imperial Library of Trantor

Index

Teach Your Kids to Code: A Parent-Friendly Guide to Python Programming Dedication Advance Praise for Teach Your Kids to Code About the Author About the Illustrator About the Technical Reviewer Acknowledgments Introduction: What Is Coding and Why Is It Good for Your Kids?

Why Should Kids Learn to Code?

Coding Is Fun Coding Is a Valuable Job Skill

Where Can Kids Learn to Code? How to Use This Book

Explore! Do It Together! Online Resources

Coding = Solving Problems

1. Python Basics: Get to Know Your Environment

Getting Started with Python

1. Download Python 2. Install Python 3. Test Python with a Program

Writing Programs in Python Running Programs in Python What You Learned

2. Turtle Graphics: Drawing with Python

Our First Turtle Program

SquareSpiral1.py How It Works What Happens

Turtle on a Roll

SquareSpiral2.py

Turtle Roundup

CircleSpiral1.py

Adding a Touch of Color

SquareSpiral3.py A Four-Color Spiral

ColorSquareSpiral.py

Changing Background Colors

ColorCircleSpiral.py

One Variable to Rule Them All

ColorSpiral.py

What You Learned

3. Numbers and Variables: Python Does the Math

Variables: Where We Keep Our Stuff

ThankYou.py

Numbers and Math in Python

Python Numbers Python Operators Doing Math in the Python Shell Syntax Errors: What Did You Say? Variables in the Python Shell Programming with Operators: A Pizza Calculator

AtlantaPizza.py

Strings: The Real Characters in Python

SayMyName.py

Improving Our Color Spiral With Strings

SpiralMyName.py

Lists: Keeping It All Together

ColorSpiralInput.py

Python Does Your Homework

MathHomework.py

What You Learned

4. Loops Are Fun (You Can Say That Again)

Rosette.py Building Your Own for Loops

Using a for Loop to Make a Rosette with Four Circles

Rosette4.py

Modifying Our for Loop to Make a Rosette with Six Circles

Rosette6.py

Improving Our Rosette Program with User Input

RosetteGoneWild.py

Game Loops and while Loops

SayOurNames.py

The Family Spiral

SpiralFamily.py

Putting It All Together: Spiral Goes Viral

ViralSpiral.py

What You Learned

5. Conditions (What If?)

If Statements

IfSpiral.py

Meet the Booleans

Comparison Operators You’re Not Old Enough!

OldEnough.py

Else Statements

OldEnoughOrElse.py Polygons or Rosettes

PolygonOrRosette.py

Even or Odd?

RosettesAndPolygons.py

Elif Statements

WhatsMyGrade.py

Complex Conditions: If, and, or, not

WhatToWear.py

Secret Messages

Messin’ with Strings The Value of Character(s) Our Encoder/Decoder Program

EncoderDecoder.py

What You Learned

6. Random Fun and Games: Go Ahead, Take a Chance!

A Guessing Game

GuessingGame.py

Colorful Random Spirals

Pick a Color, Any Color Getting Coordinated

Cartesian Coordinates Setting a Random Turtle Position

How Big Is Our Canvas? Putting It All Together

RandomSpirals.py

Rock-Paper-Scissors

RockPaperScissors.py

Pick a Card, Any Card

Stacking the Deck Dealing Cards Counting Cards

Finding an Item in a List Which Card is Higher?

Keeping It Going Putting It All Together

HighCard.py

Roll the Dice: Creating a Yahtzee-Style Game

Setting Up the Game Sorting the Dice Testing the Dice Putting It All Together

FiveDice.py

Kaleidoscope

Kaleidoscope.py

What You Learned

7. Functions: There’s a Name for That

Putting Things Together with Functions

Defining Random_Spiral() Calling Random_Spiral() RandomSpiralsFunction.py

Parameters: Feeding Your Function

Smileys at Random Locations

Drawing a head Drawing eyes Drawing a mouth Defining and Calling Draw_Smiley()

Putting it all together RandomSmileys.py

Return: It’s What You Give Back That Counts

Returning a Value from a Function Using Return Values in a Program

PingPongCalculator.py

A Touch of Interaction

Handling Events: TurtleDraw

TurtleDraw.py TurtleDrawMax.py

Listening for Keyboard Events: ArrowDraw

ArrowDraw.py

Handling Events with Parameters: Clickspiral

ClickSpiral.py

Taking It One Step Further: Clickandsmile

ClickAndSmile.py

ClickKaleidoscope

The Draw_Kaleido() Function The Draw_Spiral() Function Putting It All Together

ClickKaleidoscope.py

What You Learned

8. Timers and Animation: What Would Disney Do?

Getting All GUI with Pygame

Drawing a Dot with Pygame

ShowDot.py

What’s New in Pygame The Parts of a Game

Setting Up Creating a Game Loop Exiting the Program Putting It All Together

ShowPic.py

Timing It Just Right: Move and Bounce

Moving a Smiley Animating a Smiley with the Clock Class

SmileyMove.py

Bouncing a Smiley Off a Wall

Hitting the Wall Changing Direction Putting It All Together

SmileyBounce1.py

Bouncing a Smiley Off Four Walls

Horizontal and Vertical Speed Hitting Four Walls Putting It All Together

SmileyBounce2.py

What You Learned

9. User Interaction: Get into the Game

Adding Interaction: Click and Drag

Clicking for Dots

Setup Game Loop: Handling Mouse Clicks Putting It All Together

ClickDots.py

Dragging to Paint

Setup Game Loop: Handling Mouse Presses and Releases Putting It All Together

DragDots.py

Advanced Interaction: Smiley Explosion

Smiley Sprites

More on Classes and Objects Using classes to Build our app

Setting Up Sprites Updating Sprites Bigger and Smaller Smileys Putting It All Together

SmileyExplosion.py

SmileyPop, Version 1.0

Detecting Collisions and Removing Sprites Putting It All Together

SmileyPop.py

What You Learned

10. Game Programming: Coding for Fun

Building a Game Skeleton: Smiley Pong, Version 1.0

Drawing a Board and Game Pieces Keeping Score

Subtracting a Life Hitting the Ball with the Paddle Adding a Point

Showing the Score Putting It All Together

SmileyPong1.py

Adding Difficulty and Ending the Game: Smiley Pong, Version 2.0

Game Over Play Again Faster and Faster Putting It All Together

SmileyPong2.py

Adding More Features: SmileyPop V2.0

Adding Sound with Pygame Tracking and Displaying Player Progress

Smileys Created and Popped Percentage of Smileys Popped

Putting It All Together

SmileyPop2.py

What You Learned

A. Python Setup for Windows, Mac, and Linux

Python for Windows

Download the Installer Run the Installer Try Out Python

Python for Mac

Download the Installer Run the Installer Try Out Python

Python for Linux

B. Pygame Setup for Windows, Mac, and Linux

Pygame for Windows Pygame for Mac

Python 2.7 and Pygame 1.9.2

Pygame for Linux

Pygame for Python 2

C. Building Your Own Modules

Building the colorspiral Module

colorspiral.py Using The Colorspiral Module MultiSpiral.py Reusing the Colorspiral Module SuperSpiral.py

Additional Resources

D. Glossary E. Updates Index Copyright

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