Test.js

class MyClass {
    num = 10;
  objects = {
    getNum: function() {
        return this.num;
    },
    setNum: (arg) => {
      let oldNum = this.num
      this.num = arg;
      return [oldNum, this.num];
    }
  };
}
let myObj = new MyClass();
console.log(myObj.objects.getNum());
console.log(myObj.objects.setNum(20));
// What will the above code snippet print to console?