Variables

The first concept I am going to touch on is that of variables. Simply put, a variable is a place in memory where your script holds a piece or a set of information. I'll use the term data in place of "information" throughout most of the discussion. The data stored in a variable might be very simple, like the number 10,000, or very complex, such as a whole series of numbers, ranging from 1 to 10,000.

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