func.py

def new():
    total = []
    while True:
        unit= input("请输入：")
        if unit== 'q':
            break
        else:
            try:
                unit=int(unit)
            except:
                print("重新输")
            else:
                total.append(unit)
            print("_"*30)
    return(total)                             
def a(money):
    b=0
    for i in money:
        b=b+i
    return b
jiage=new()
zhifu=a(jiage)
print("给钱"+str(zhifu)+"万元！扫码还是现金")