text: 'use strict'
  
  /*
   * Create a `add` function that takes 2 number arguments and add them
   *
   * @notions Primitive and Operators, Functions
   */
  
  // Your code :
  function add (value1 , value2) {
      return value1+value2;
  }
  
  //* Begin of tests
  const assert = require('assert')
  const rand = Math.random()
  
  assert.strictEqual(typeof add, 'function')
  assert.strictEqual(add.length, 2)
  assert.strictEqual(add(2, 2), 4)
  assert.strictEqual(add(rand, rand), rand + rand)
  // End of tests */
  