摘要: def is_valid(x): if len(x[1])==18 and (x[1][:-1].isdigit() and x[1][-1] in '0123456789X'): return True return Falsewith open('data3_id.txt','r',encodi 阅读全文
posted @ 2022-05-24 13:26 WA自动机! 阅读(49) 评论(1) 推荐(0) 编辑