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3 functions

Let’s get organized

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As programs grow, the code often becomes more complex.
And complex code can be hard to read, and even harder to maintain. One way of
managing this complexity is to create functions. Functions are snippets of code that
you use as needed from within your program. They allow you to separate out common
actions, and this means that they make your code easier to read and easier to maintain.
In this chapter, you’ll discover how a little function knowledge can make your coding life
a whole lot easier.

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