摘要: 任务3 1 def is_valid(x): 2 a,b,c = set(x),set("1234567890X"),set() 3 if (a|b)-b!=c or len(x)!=18:return False 4 return True 5 with open("data3_id.txt"," 阅读全文
posted @ 2022-05-18 19:15 可爱捏 阅读(23) 评论(1) 推荐(1) 编辑