摘要: task3.py 1 def is_valid(a): 2 l=0 3 f=0 4 for i in a: 5 l+=1 6 if '0'<=i<='9' or i=='X': 7 pass 8 else: 9 f+=1 10 break 11 if l!=18 or f!=0: 12 return 阅读全文
posted @ 2022-05-19 10:45 昏汐 阅读(23) 评论(3) 推荐(0) 编辑