00:00 Now we're gonna get into sets. For some reason I thought of There's a character in Brandon Sanderson's Mistborn book series called Set. And there's also the set in the era too of Mistborn. So whenever I say the word set, that's what my mind always goes to. Sets are basically like, a map As as a map is to an object, a set is to an array.

00:22 So it's a special data structure for arrays that makes not only looking things up, potentially faster, but also, ensures that things are unique. So it's pretty cool. I think you should jump into it and we'll talk about it when you finish.