Basics of Writing Simple Code In Verse

At the end of this lesson, you'll get a chance to actually start writing simple code — not just editing something that's already there!

But first, a little more info.

What Good Programmers Do (Instead of Remembering)

An experienced programmer will make notes in the code that are not actually part of the program, but comments about what they did or why they did it. When the program runs, these comments are ignored, but the programmer's notes, called code comments or just comments, stay in the code.

Code Comments

Writing code comments is good practice in general, but is especially useful when you're just starting to program and figuring things out as you go. These comments can be really helpful when you try to understand why you (or someone else) did something.

The simplest way to write a code comment is to put a # in front of the comment, but there are also other ways to do it:


`1+2 # Hello` 1+2 # Hello Copy full snippet(1 line long)	single-line comment: Anything that appears between `#` and the end of line is part of the code comment.
`1<# inline comment #>+2` 1<# inline comment #>+2 Copy full snippet(1 line long)	inline block comment: Anything that appears between `<#` and `#>` is part of the code comment. Inline block comments can be between expressions on a single line and don't change the expressions.
```
`<# Block comments nest <# like this #> #>` <# Block comments nest <# like this #> #> Copy full snippet(1 line long)	nested block comment: Anything that appears between `<#` and `#>` is part of the code comment, and they can nest. This can be useful if you want to comment out some expressions in a line for testing and debugging without changing an existing code comment.
```

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