func.py

def new_input():
    total = []
    while True:
        unit= input("请输入：")
        if unit== 'q':
            break
        else:
            try:
                unit = int(unit)
            except:
                print("请重新输入")
            else:
                total.append(unit)
            finally:
                print('_'*30)
    return total
    ooo=new_input()
    print(ooo)
    def sum(money):
        he=0
        for i in money:
            he=he+i
        return he
price=new_input()
pay=sum(price)
print("你一共花了"+str(pay)+"元")