摘要： product_list=[ ("Iphone", 5800), ("Mac Pro", 12000), ("Starbuck Latte" ,31), ("Alex Python", 81), ("Bike", 800),]shopping_list=[]salary = input("your 阅读全文

摘要： names = ["zhangsan","lisi","wangwu","xiaoqi","xiaoqi"]names.append("wangjiao")#增加一个用户names.insert(1,"wanglong")#在指定位置增加一个用户names.remove("wangjiao")#删除 阅读全文

只有注册用户登录后才能阅读该文。 阅读全文