摘要: 实验任务3 def is_valid(a): """判断身份证是否合法""" if len(a) != 18: return False else: if a[-1] == "Y": return False else: return True with open("data3_id.txt",en 阅读全文
posted @ 2022-05-18 16:55 杖卫 阅读(46) 评论(0) 推荐(0)