text: 'use strict'
  
  /*
   * Create a constant variable named `arr` that is an array containing the values 4 and '2'
   *
   * @notions Data-Structures
   */
  
  // Your code :
  const arr = [4,"2"]
  
  //* Begin of tests
  const assert = require('assert')
  const internal = require('stream')
  
  assert.strictEqual(Array.isArray(arr), true)
  assert.strictEqual(arr[0], 4)
  assert.strictEqual(arr[1], '2')
  assert.strictEqual(arr.length, 2)
  // End of tests */
  