import UIKit
func beerSong(forThisManyBottlesOfBeer totalNumberOfBottles: Int) -> String {
var lyrics: String = ""
for number in (1...totalNumberOfBottles).reversed() {
let newLine: String = "\n\(number) bottles of beer on the wall,\(number) bottles of beer.\nTake one down and pass it around, \(number - 1) bottles of beer on the wall.\n"
lyrics += newLine
}
lyrics += "\nNo more bottles of beer on the wall, no more bottles of beer. \nGo to the store and buy some more, 99 bottles on the wall. \n"
return lyrics
}
print (beerSong(forThisManyBottlesOfBeer: 99))