index.ts

import assert from 'assert';

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

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

const john = new Person('John', 40);
const mary = new Person('Mary', 35);

console.log(john);
console.log(mary);

export default assert;
import assert from 'assert';

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

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

const john = new Person('John', 40);
const mary = new Person('Mary', 35);

console.log(john);
console.log(mary);

export default assert;