Introduction to Computational Thinking: Problem Solving, Algorithms, Data Structures, and More

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021

T. MailundIntroduction to Computational Thinkinghttps://doi.org/10.1007/978-1-4842-7077-6_7

7. Inner Functions

Thomas Mailund¹  

(1)

Aarhus N, Denmark

 

You don’t have to define your functions at the outermost, global, level of your program. Anywhere you can have a statement such as if or while or a variable assignment, you can also define a function. A function definition is just another type of statement. This means that you can define a function inside the body of another function. This is a power tool; it enables you to write very flexible and elegant code, but as with all power tools, there is also a certain risk of self-harm. At least until you get comfortable ...