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

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

// Tests

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

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