var implicitInteger = 70
var implicitDouble = 70.0
var explicitDouble: Double = 70
let jumlahApel = 3
let jumlahJeruk = 5
let ringkasanApel = "Saya punya \(jumlahApel) apel."
let ringkasanJeruk = "Saya punya \(jumlahApel + jumlahJeruk) buah."
println("Halo, dunia!")
let people = ["Anna": 67, "Ben": 8, "Jack": 33, "Sam": 25]
for (nama, usia) in people {
println("\(nama) berusia \(usia) tahun.")
}