摘要: 字符串所有的操作name = "dio"names = "my\t name is {Name} and i am a {job}"print(name.capitalize())#首字母大写print(names.count("a"))#数字符里面有几个重复的指定字母print(names.cen 阅读全文
posted @ 2019-04-20 20:39 arnold2029 阅读(226) 评论(0) 推荐(0)
摘要: if salary.isdigit(): salary = int(salary)判断输入的salary是否是一个整数是否成立 for index,item in enumerate(product_list): #print(product_list.index(item),item) print 阅读全文
posted @ 2019-04-20 20:38 arnold2029 阅读(138) 评论(0) 推荐(0)