console.log("===================4.9 Destructuring value=====================")

console.log("an Example")
let arr = ["John", "Smith"]
let [firstName, surname] = arr;
console.log(firstName);
console.log(surname);

console.log("can be used in any iterable variables, like set, string")
let [a,b,c] = "abc";
let [one, two, three] = new Set([1, 2, 3]);