static void Main(string[] args)
{
User alice = new User("Alice", "Password");
alice.Hello();
//Console.WriteLine(alice.ToString());
//Console.WriteLine(alice._PassWord);
Student bob = new Student("bob", "Password");
bob.Hello();
User test1 = new Student();
test1.Hello();
User st1 = new User();
st1._UserName = "******";
User st2 = new User();
st2._UserName = "******";
User st3 = new User();
st3._UserName = "******";
MagicList <User> MagicListUser = new MagicList <User>();
MagicListUser.Add(st1);
MagicListUser.Add(st2);
MagicListUser.Add(st3);
Console.WriteLine(MagicListUser.ChooseRandom());
}