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Published in:
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2016 | OriginalPaper | Chapter

3. Program Structure

Author : Paul Gerrard

Published in: Lean Python

Publisher: Apress

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Abstract

Some simple utilities might be a short list of statements run in order, but a useful program usually needs to make decisions and choices. The decision making in a program determines the path that the program takes. Decisions are made by if statements.

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Footnotes
1
In the examples that follow, the doCommand() function needs to be defined, of course.
 
2
All open source or free-to-use libraries come with a health warning, but if you see many references to a library on programmer web sites and in books, you can be reasonably confident that it works.
 
3
Sometimes it is convenient to create shared variables that save you time and the hassle of adding them as arguments to the functions in a module. If you use these variables as places to pass data between functions, though, you might find problems that are hard to diagnose. Treating them as readonly variables will reduce the chance of problems that are hard to debug.
 
Metadata
Title
Program Structure
Author
Paul Gerrard
Copyright Year
2016
Publisher
Apress
Book
Lean Python

Print ISBN: 978-1-4842-2384-0

Electronic ISBN: 978-1-4842-2385-7

Copyright Year: 2016

DOI
https://doi.org/10.1007/978-1-4842-2385-7_3

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