Snake Wrangling for Kids - Learning to Program with Python 3, win-v0.7.7 (2007).pdf - python - Pinus000

Snake Wrangling for Kids, Learning to Program with Python

by Jason R. Briggs

Version 0.7.7

Published by... ah, no one actually.

Cover art and illustrations by Nuthapitol C.

Website:

http://www.briggs.net.nz/log/writing/snake-wrangling-for-kids

Thanks To:

Guido van Rossum (for benevelont dictatorship of the Python language), the mem-

bers of the Edu-Sig mailing list (for helpful advice and commentary), author David Brin

(the original instigator of this book), Michel Weinachter (for providing better quality

versions of the illustrations), and various people for providing feedback and errata,

including: Paulo J. S. Silva, Tom Pohl, Janet Lathan, Martin Schimmels, and Mike

Cariaso (among others). Anyone left o this list, who shouldn’t have been, is en-

tirely due to premature senility on the part of the author.

License:

This work is licensed under the Creative Commons Attribution-Noncommercial-

Share Alike 3.0 New Zealand License. To view a copy of this license, visit

http://creativecommons.org/licenses/by-nc-sa/3.0/nz/ or send a letter to Creative

Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.

Below is a summary of the license.

You are free:

•to Share to copy, distribute and transmit the work

•to Remix to adapt the work

Under the following conditions:

Attribution. You must attribute the work in the manner specied by the author

or licensor (but not in any way that suggests that they endorse you or your

use of the work).

Noncommercial. You may not use this work for commercial purposes.

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the resulting work only under the same or similar license to this one.

For any reuse or distribution, you must make clear to others the license terms of

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Any of the above conditions can be waived if you get permission from the copyright

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Nothing in this license impairs or restricts the author’s moral rights.

Contents

Preface

1 Not all snakes will squish you 1

1.1 A Few Words About Language . . . . . . . . . . . . . . . . . . . . . 2

1.2 The Order of Non-venomousConstricting Serpentes. . .

. . . . . . . . . 3

1.3 Your rst Python program . . . . . . . . . . . . . . . . . . . . . . . . 4

1.4 Your Second Python program. . .the same again? . . . . . . . . . . . . 6

2 8 multiplied by 3.57 equals. . .

2.1 Use of brackets and “Order of Operations” . . . . . . . . . . . . . . . 11

2.2 There’s nothing so ckle as a variable . . . . . . . . . . . . . . . . . . 13

2.3 Using Variable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.4 A Piece of String? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.5 Tricks with Strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.6 Not quite a shopping list . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.7 Tuples and Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.8 Things to try . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3 Turtles, and other slow moving creatures 25

3.1 Things to try . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

4 How to ask a question

4.1 Do this. . . or ELSE!!! . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

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