Frequently I've seen many For loops have this symbol before something like "game.Lighting:GetChildren()," making it "#game.Lighting:GetChildren()." I was wondering what the "#" has to do with any of this.
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Why Do Some For Loops Have a "#"?
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Length
The # operator is the length operator, and gets the length of a table or a string. In most of these loops you're looking at, it's telling it to run the loop as many times as there are entries in the table.
If you're not sure about what I said, you should learn tables.
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Thanks!