This function takes an int and returns an array of numbers which is the original number broken down into it's smaller parts

Expand Number Function.swift

func expand(number: Int) -> [Int] {
	var expandedNums: [Int] = []
	var i = 10

	while (number > i / 10) {
		expandedNums.append(number % i - number % (i / 10))
		i *= 10
	}
	return expandedNums
}