class Person{
    constructor(name, age) {
      this.age = age;
      this.name = name;
    }
    tellMyName() {
       return `I am ${this.name}`
    }

    tellMyAge() {
       return `I have ${this.age} years old`
    }
  }

const firstPerson=new Person("John","40");
const secondPerson=new Person("Mary","35");
console.log(firstPerson.tellMyName() ,"and" ,firstPerson.tellMyAge());
console.log(secondPerson.tellMyName(), "and" ,secondPerson.tellMyAge());