[
  {
    "description": "giveBack is declared and is a function",
    "code": "equal(typeof giveBack, 'function')"
  },
  {
    "description": "calling giveBack return a function",
    "code": "equal(typeof giveBack(), 'function')"
  },
  {
    "description": "giveBack works with numbers",
    "code": "equal(giveBack(5)(), 5)"
  },
  {
    "description": "giveBack works with strings",
    "code": "equal(giveBack('hello')(), 'hello')"
  },
  {
    "description": "giveBack works with undefined",
    "code": "equal(giveBack()(), undefined)"
  }
]