func.py

def new_jnput():
    total = []
    while True:
        unit= input('请输入单价（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
resurt=new_jnput()
print(result)

def sum(money)
    p=0
    for i in money:
        p=p+i
    return p
con=sum(total)
print(str(sum))