public void ChoosePlayer(ref string player1, ref string player2)
{
//Console.WriteLine("Player1, Do you want to be X or O?");
while (true)
{
Console.WriteLine("Player1, Do you want to be X or O?");
player1 = Console.ReadLine().ToUpper();
if (player1.ToUpper().Equals("X") || player1.ToUpper().Equals("0"))
break;
}
player2 = player1.ToUpper().Equals("X") ? "O" : "X";
}
