奇怪的循环和Tic Tac Toe游戏(用python发明)

fruits = ["apple", "banana", "orange"]
for fruit in fruits:
    print(fruit)

apple
banana
orange

count = 0
while count < 5:
    print(count)
    count += 1

0
1
2
3
4

board = [[" ", " ", " "],
         [" ", " ", " "],
         [" ", " ", " "]]

current_player = "X"
game_over = False

def print_board():
    for row in board:
        print("|".join(row))
        print("-----")

def check_winner():
    # 检查行
    for row in board:
        if row[0] == row[1] == row[2] != " ":
            return True

    # 检查列
    for col in range(3):
        if board[0][col] == board[1][col] == board[2][col] != " ":
            return True

    # 检查对角线
    if board[0][0] == board[1][1] == board[2][2] != " ":
        return True
    if board[0][2] == board[1][1] == board[2][0] != " ":
        return True

    return False

while not game_over:
    print_board()
    row = int(input("请输入行号（0-2）："))
    col = int(input("请输入列号（0-2）："))

    if board[row][col] == " ":
        board[row][col] = current_player
        if check_winner():
            print_board()
            print("玩家", current_player, "获胜！")
            game_over = True
        elif all(board[row][col] != " " for row in range(3) for col in range(3)):
            print_board()
            print("平局！")
            game_over = True
        else:
            current_player = "O" if current_player == "X" else "X"
    else:
        print("该位置已经被占用，请重新选择。")