class Person {
    constructor(name, age){
        this.name = name;
        this.age = age;
    }

    tellMyAge(){
        return `I am ${this.age} years old`;
    }
    tellMyName(){
        return `I am ${this.name}`;
    }
}

person1 = new Person('John',40)
person2 = new Person('Mary',35)

console.log(person1.tellMyName());
console.log(person1.tellMyAge());

console.log(person2.tellMyName());
console.log(person2.tellMyAge());

console.log(person2.tellMyAge());
console.log(person2.tellMyName());