func.py

#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("=")
    return total


def sum(money):
    count = 0
    for i in money:
        count = count + i
    return count


#price = new_input()
#pay = sum(price)
#print("你一共消费了" + str(pay) + "元！扫码还是现金")