let alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" for (index, letter) in alphabet.enumerated() { if index.isMultiple(of: 2) { print("\(index):\(letter)") } }
let alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" for (index, letter) in alphabet.enumerated() { if index.isMultiple(of: 2) { print("\(index):\(letter)") } }