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1. BubbleSort BubbleSort

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   func bubbleSort(numbers: inout [Int]){ // inout makes input array mutable

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       for num in 0...numbers.count {

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           for newNum in 1...(numbers.count - 2) { // move back to grab previous value

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               if numbers[newNum - 1] > numbers[newNum] { // if previous number in array is larger than future value then switch

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                   let firstNum = numbers[newNum - 1]