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


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