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

    tellMyName(){
        console.log(`I am ${this.name}`);
    }

    tellMyAge(){
        console.log(`I am ${this.age} year old`);
    }
}

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


person1.tellMyName()
person1.tellMyAge()

person2.tellMyName()
person2.tellMyAge()