text: 'use strict';
  
  const fn = () => {
    const user1 = { name: 'Alex' };
    let user2 = { name: 'Bob' };
  
    user1.name = 'Ann';
    user2.name = 'Max';
  
    // user1 = { name: 'Ann' };
    // It cause an Runtime Exception, because const variable cannot be changed
    user2 = { name: 'Richard' };
  };
  
  module.exports = { fn };
  