8. Functions and Methods
Note
Project: Replace all the photos in the Facebook feed with photos of kittens or puppies.
Your kittenbook code is a mess. I’m sorry to say so, but it’s a complete mess. All your variables are global (see the later section, “Scope”), and it is unclear which instructions are meant to achieve what job. I suppose the mess is really my fault because I told you to write the code the way it is written, but it’s a mess nonetheless. You might be questioning my methods. If I’m supposed to be teaching you how to program, why would I tell you to write bad, messy code? I have my reasons, I promise. First, you can’t appreciate the value of clean code until you have worked with messy code. Second, to understand the tools you need ...
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