摘要: 3 def is_valid(x): a,b,c = set(x),set("1234567890X"),set() if (a|b)-b!=c or len(x)!=18:return False return True with open('data3_id.txt','r',encoding= 阅读全文
posted @ 2022-05-26 11:06 思杰 阅读(20) 评论(3) 推荐(0) 编辑