摘要: 1 list1 = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 'X'] 2 def is_valid(x): 3 if len(x) != 18 or x[-1] not in list1: 4 return False 5 else: 6 阅读全文
posted @ 2022-05-19 11:40 气工吴旭 阅读(12) 评论(2) 推荐(0) 编辑