摘要: 1 def is_valid(x): 2 ls=[str(i) for i in range(0,10)] 3 ls.append('X') 4 if len(x)<18: 5 return False 6 for a in range(len(x)): 7 if x[a] not in ls: 8 阅读全文
posted @ 2022-05-24 10:19 张博睿 阅读(7) 评论(1) 推荐(0) 编辑