diy.py

def new_input( ):
    total=[]
    while True:
        unit=input("请输入：")
        if unit=='q':
            break
        else:
            try:
                unit=int(unit)
            except:
                print("整数")
            else:
                total.append(unit)
    return(total)
def sum(money):
    count=0
    for i in money:
        count=count+i
    return count
price=new_input()
pay=sum(price)
print("您消费"+str(pay)+"元扫码")