摘要: product_list = [ ("apple",20), ("pen",10), ("water",4), ("phone",4000),]shopping_list=[]salary = input("input your salary:")if salary.isdigit(): 判断输入的 阅读全文
posted @ 2017-12-01 14:47 独食鬼 阅读(109) 评论(0) 推荐(0)