sum = 0gouwuche = ""shuliang = 0shouji = {"oppo": 1000, "vivo": 1200, "xiaomi": 1499}shuiguo = {"苹果": 7, "山竹": 25, "蓝莓": 30}

userku = ""psdku = ""nameku = {}sexku = {}jifen = "0"vip = ""

a = input("请输入”1”创建账号:")if a == "1":    nameku = input("请输入姓名：")    sexku = input("请输入性别：")    userku = input("请输入账号：")    psdku = input("请输入密码：")    print("注册成功,请登入账号")    while True:        user = input("请输入账号：")        psd = input("请输入密码：")        if user == userku and psd == psdku:            print("欢迎尊敬的" + nameku + "进入商店")            print("个人信息：")            print("普通会员")            print("姓名：" + nameku)            print("性别：" + sexku)            while True:                a = input("输入商品类型：“手机”或“水果”,输入”BUY“结算：")                if a == "手机":                    print("1.  oppo  1000元")                    print("2. vivo  1200元")                    print("3.  xiaomi   1499元")                    while True:                        a = input("输入编号购买商品，输入“B”返回类型选择：")                        if a == "1":                            geshu = int(input("输入购买个数："))                            gouwuche += "oppo"                            gouwuche += "*"                            gouwuche += str(geshu)                            gouwuche += "  "                            sum += int(shouji["oppo"]) * geshu                            shuliang1 = str(geshu)                            print("加入购物车成功")

                        elif a == "2":                            geshu = int(input("输入购买个数："))                            gouwuche += "vivo"                            gouwuche += "*"                            gouwuche += str(geshu)                            gouwuche += "  "                            sum += int(shouji["vivo"]) * geshu                            shuliang2 = str(geshu)                            print("加入购物车成功")

                        elif a == "3":                            geshu = int(input("输入购买个数："))                            gouwuche += "xiaomi"                            gouwuche += "*"                            gouwuche += str(geshu)                            gouwuche += "  "                            sum += int(shouji["xiaomi"]) * geshu                            print("加入购物车成功")

                        else:                            break

                if a == "水果":                    print("1.  苹果  7元")                    print("2.  山竹  25元")                    print("3.  蓝莓  30元")                    while True:                        a = input("输入编号购买商品，输入“B”返回类型选择：")                        if a == "1":                            geshu = int(input("输入购买个数："))                            gouwuche += "苹果"                            gouwuche += "*"                            gouwuche += str(geshu)                            gouwuche += "  "                            sum += int(shuiguo["苹果"]) * geshu                            shuliang1 = str(geshu)                            print("加入购物车成功")

                        elif a == "2":                            geshu = int(input("输入购买个数："))                            gouwuche += "山竹"                            gouwuche += "*"                            gouwuche += str(geshu)                            gouwuche += "  "                            sum += int(shuiguo["山竹"]) * geshu                            shuliang2 = str(geshu)                            print("加入购物车成功")

                        elif a == "3":                            geshu = int(input("输入购买个数："))                            gouwuche += "蓝莓"                            gouwuche += "*"                            gouwuche += str(geshu)                            gouwuche += "  "                            sum += int(shuiguo["蓝莓"]) * geshu                            print("加入购物车成功")

                        else:                            break                elif a == "BUY":                    jifen = str(sum / 2)                    print("您购买的商品有：")                    print(gouwuche)                    print("您共有" + jifen + "积分")                    print(str(sum) + "元")                    if float(jifen) >= 0.0 and float(jifen) <= 1000.0:                        vip = "普通会员"                    if float(jifen) > 50.0 and float(jifen) <= 2500.0:                        vip = "高级会员"                    elif float(jifen) > 150.0 and float(jifen) <= 3500.0:                        vip = "银钻会员"                    elif float(jifen) > 5000.0:                        vip = "金钻会员"                    aa = input("输入“2”查看个人信息：")                    if aa == "2":                        print("个人信息：")                        print(vip)                        print("姓名：" + nameku)                        print("性别：" + sexku)                    else:                        print("输入错误")        else:            print("输入账号或密码有误，请重新输入")