const car = [
  {
    "name":"BMW",
    "price":"55 000",
    "country":"Germany",
    "security":"Hight"
  },
  {
    "name":"Mitsubishi",
    "price":"93 000",
    "constructor":"Bar John",
    "door":"3",
    "country":"Japan",
  },
  {
    "name":"Mercedes-benz",
    "price":"63 000",
    "country":"Germany",
    "security":"Hight"
  }
 ];

function cars(car){
  return car.map(function(key) {
    return [[key]];
  });
}