DAY 9: 100 Days of SwiftUI – Hacking with Swift. Checkpoint 5

Checkpoint5.swift

import Cocoa

///You’ve already met sorted(), filter(), map(), so I’d like you to put them together in a chain – call one, then the other, then the other back to back without using temporary variables.
///Your input is this: let luckyNumbers = [7, 4, 38, 21, 16, 15, 12, 33, 31, 49]
///Your job is to:
///Filter out any numbers that are even
///Sort the array in ascending order
///Map them to strings in the format “7 is a lucky number”
///Print the resulting array, one item per line

func getLuckyNumbers(for numbers: [Int]) {
    let newArray = numbers.filter { !$0.isMultiple(of: 2) }
    let sortedArray = newArray.sorted { $0 < $1 }
    let newStrings = sortedArray.map { "\($0) is a lucky number" }
    for result in newStrings {
        print(result)
    }
}

let luckyNumbers = [7, 4, 38, 21, 16, 15, 12, 33, 31, 49]
getLuckyNumbers(for: luckyNumbers)