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} years old`);

    }


}

const jhon = new Person('John',40);
const mary = new Person('Mary',35);

jhon.tellMyName() ;
jhon.tellMyAge() ;
mary.tellMyName() ;
mary.tellMyAge() ;