class Person {
    constructor(name, age) {
        this.name = name
        this.age = age
    }
    tellMyName() {
        let printn = ('I am ' + this.name)
        return printn
    }
    tellMyAge() {
        let printa = ('I am ' + this.age + ' years old')
        return printa
    }
}

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

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

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