def new_input():
    total = []
    while True:
        unit= input("请输入(q退出)：")
        if unit== 'q':
            break
        else:
            try:
                unit=int(unit)
            except:
                print("请重新输入一个数字")
            else:
                total.append(unit)
            finally:
                print("-"*30)
    return total
result=new_input()
print(total)


def sum(money):
    count=0
    for i in money():
        count=count+i
    return count
price=new_input()
pay=sum(price)
print("您一共消费了"+str(pay)+"元!扫码还是现金呢?")