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If you've ever used any other programming language, then you're probably familiar with if/else statements. If not, here's a brief explanation. If/else statements test to see if something is true or not:"If" it is, then the script will do one thing. Otherwise, it'll do something "else." Pretty keen, huh?

Here's how an if/else statement is written: 

if (statement) {



	task



} elsif (statement) {



	a different task



} else {



	a task if all else fails



}

Once you understand the basic concept of if/else, you're ready to explore the wonderful world of variables.