print("Hello World!") let twoThousand: UInt16 = 2_000 let one: UInt8 = 1 let twoThousandAndOne = twoThousand + UInt16(one) let three = 3 let pointOneFourOneFiveNine = 0.14159 let pi = Double(three) + poin typealias AudioSample = UInt16 var maxAmplitudeFound = AudioSample.min // maxAmplitudeFound mempunyai nilai 0