while 迴圈

count = 0
while count < 5:
    print(count)
    count += 1
# 輸出：0 1 2 3 4

# 小心！這會永遠執行
while True:
    response = input("輸入 quit 結束：")
    if response == "quit":
        break  # 跳出迴圈

# 猜數字遊戲
secret = 7
guess = 0

while guess != secret:
    guess = int(input("猜一個數字："))
    if guess < secret:
        print("太小了")
    elif guess > secret:
        print("太大了")

print("恭喜你猜對了！")