#######################################作业##############################3 1，登陆 import time a = ''' (C)reate: (L)ogin: (D)elete: (V)iew: input your choice: ''' while True: choice = raw_input(a).lower() dic = {"user1":"123", "user2": "234"} if choice == 'c': newuser =raw_input("username:") newpassword =raw_input("password:") dic[newuser] = newpassword print newuser print "新用户创建成功！" elif choice == 'l': user =raw_input("username:") password =raw_input("password:") if user in dic and dic[user]==password: print "登陆成功！" else: print "请输入正确的用户名和密码！" elif choice == 'd': user =raw_input("username:") password = raw_input("password：") if user not in dic: print "该用户不存在！" elif dic[user]!= password: print "密码不正确！" else: print "删除成功！" elif choice == 'v': user =raw_input("username:") password =raw_input("password:") if user not in dic: print "该用户不存在！" elif dic[user]!= password: print "密码不正确！" else: print user print "正常显示！" else: print "请重新输入！" 2，购物车 dic = [] salary = input("your salary:") shopinfo = [ ('iphone',1000), ('book',100), ('bike',200) ] for k,v in enumerate(shopinfo): print k,v num = input("num:") if num == 0: print "added [iphone] to yourshopping" if salary < 1000: print "您的余额不足！" else: dic.append('iphone') elif num == 1: print "added [book] to yourshopping" if salary < 100: print "您的余额不足！" else: dic.append('book') elif num == 2: print "added [bike] to yourshopping" if salary < 200: print "您的余额不足！" else: dic.append('bike') tuichu = input("quit:") if tuichu == 'q': quit(shopinfo) print k,v in enumerate(dic)
