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 info = new Person ('John', '40')
const info2 = new Person ('Mary', '35')
info.tellMyName()
info.tellMyAge()
info2.tellMyName()
info2.tellMyAge()