text: const user = {
      name: 'Steve',
      surname: 'Rogers',
      age: 101,
      city: 'New York'
    };
    
    console.log(user);
    // {name: "Steve", surname: "Rogers", age: 101, city: "New York"}
    let cpy = copyObj(user);
    console.log(cpy);
    // {name: "Steve", surname: "Rogers", age: 101, city: "New York"}
    
    
    user.name = 'John';
    console.log(user);
    // {name: "John", surname: "Rogers", age: 101, city: "New York"}
    console.log(cpy);
    // {name: "Steve", surname: "Rogers", age: 101, city: "New York"}
    
    cpy.age = 59;
    console.log(user);
    //{name: "John", surname: "Rogers", age: 101, city: "New York"}
    console.log(cpy);
    // {name: "Steve", surname: "Rogers", age: 59, city: "New York"}
  