function getAge() {
  'use strict';
  age = 21;
  console.log(age);
}

getAge();

const sum = eval('10*10+5');

var num = 8;
var num = 10;

console.log(num);

const obj = { 1: 'a', 2: 'b', 3: 'c' };
const set = new Set([1, 2, 3, 4, 5]);

obj.hasOwnProperty('1');
obj.hasOwnProperty(1);
set.has('1');
set.has(1);

const obj = {
  a: "one",
  b: "two",
  a: "three",
};

console.log(obj);

for (let i = 1; i < 5; i++) {
  if (i === 3) continue;
  console.log(i);
}

String.prototype.giveAdamPizza = () => {
  return "Just give Adam pizza already!";
};

const name = "Adam";

console.log(name.giveAdamPizza());