text: 'use strict'
  
  /*
   * Create a `whisper` function that takes a string
   * and return the same string in lower case
   * and wrapped by `*`
   *
   */
  
  const whisper = s => `*${s.toLowerCase()}*`
  
  //* Begin of tests
  const assert = require('assert')
  
  assert.strictEqual(typeof whisper, 'function')
  assert.strictEqual(whisper.length, 1)
  assert.deepStrictEqual(whisper('A B C'), '*a b c*')
  assert.deepStrictEqual(whisper(''), '**')
  assert.deepStrictEqual(whisper('DARUDE'), '*darude*')
  // assert.fail('You must write your own tests')
  // End of tests */
  