作者：马庆庆         更新时间：2024-08-23 09:50          浏览：638次         点赞：0次          热度：38

na = 0 nb = 0 nc = 0 while True: n = input() if n == "R": print("请到 A 区检测") na += 1 elif n == "Y": print("请到 B 区检测") nb += 1 elif n == "G": print("请到 C 区检测") nc += 1 elif n == "end": print(f"检测结束，一共检测{na+nb+nc}人\n红码：{na}人\n黄码：{nb}人\n绿码：{nc}人\n")