题解 | #牛牛的抽奖游戏#
牛牛的抽奖游戏
https://www.nowcoder.com/practice/9c9300f7ecbb41f49c3e8727b4948038
lucky_num = 3
while True:
a = int(input())
if a == lucky_num:
print("Congratulations!")
break
elif a < 0:
print("Give up!")
break
else:
continue