text: 'use strict';
  
  /*
   * Create a `getLast` function that takes an array or a string
   * and return the last element.
   *
   * @notions Data-Structures, Get
   */
  
  // Your code:
  function getLast(a) {
      return a[a.length-1]
  }
  //* Begin of tests
  const assert = require('assert');
  
  assert.strictEqual(getLast([ 2, 42 ]), 42);
  assert.strictEqual(getLast([ 'pouet', 4, true ]), true);
  assert.strictEqual(getLast([ getLast ]), getLast);
  assert.strictEqual(getLast('salut'), 't');
  assert.strictEqual(getLast([]), undefined);
  // End of tests */
  