购物车 python作业 后面有些问题 请大神帮忙完善一下，谢谢哈

功能要求：

要求用户输入总资产，例如：2000显示商品列表，让用户根据序号选择商品，加入购物车购买，如果商品总额大于总资产，提示账户余额不足，否则，购买成功。附加：可充值、某商品移除购物车goods = [    {"name": "电脑", "price": 1999},    {"name": "鼠标", "price": 10},    {"name": "游艇", "price": 20},    {"name": "美女", "price": 998},]

goods = [    {"name": "电脑", "price": 1999},    {"name": "鼠标", "price": 10},    {"name": "游艇", "price": 20},    {"name": "美女", "price": 998},]zzc = int(input(‘请输入总资产：‘))car = []while True:    for i1 in enumerate(goods):        print(i1[0],i1[1].get(‘name‘),i1[1].get(‘price‘))    ret = int(input(‘请根据序号选择商品,退出输入88：‘))    for i2 in enumerate(goods):        if i2[0] == ret:            car.append(goods[ret])            print(car)    if ret == 88:        for i3 in car:            zj = 0            zj = i3[‘price‘] + zj            if zj > zzc:#                print(‘余额不足，请充值‘)                xz = input(‘余额不足，选择充值输入y,退出购买输入n：‘)                if xz == ‘y‘:                    jj = int(input(‘请输入充值金额：‘))                    zzc = jj + zzc                else:                    print(‘欢迎下次光临‘)            else:                print(‘购买成功‘)        break