class person {
    constructor(name, age) {
        this.name = name;
        this.age = age;
    }
    tellMyName() {
        return this.name;
    }
    tellMyAge() {
        return this.age;
    }
    isPerson() {
        console.log(`I am ${this.name} I am ${this.age} years old`);
    }

}
const person1 = new person ("John", 40);
const person2 = new person ("Mary", 35);
person1.isPerson()
person2.isPerson()