Apple-Pen-Pineapple-Pen lyric in swift! https://www.youtube.com/watch?v=d9TpRfDdyU0

PPAP.swift

// https://www.youtube.com/watch?v=d9TpRfDdyU0

let 🖋 = "🖋"
let 🍎 = "🍎"
let 🍍 = "🍍"

func verse(_ s1: String, _ s2: String) -> String {
    return [s1,s2].map { "I have \(singular($0))" }.joined(separator: ", ") + "\nUh \(s2) \(s1)"
}

func singular(_ thing: String) -> String {
    return (thing == 🍎) ? "an \(🍎)" : "a \(thing)"
}

func final(_ s1: String, _ s2: String, _ s3: String) -> String {
    return [s2, s1].joined() + ", " + [s3, s1].joined() + "\nUh, " + [s1, s3, s2, s1].joined(separator: "-") + "!"
}

let verse1 = verse(🖋,🍎)
let verse2 = verse(🖋,🍍)
let verse3 = final(🖋,🍎,🍍)
let lyric = [verse1, verse2, verse3].joined(separator: "\n")