func.py

def new_input():
    total=[]
    while True:
        money=input("请输入(q退出):")
        if money=='q':
            break    
        else:
            try:
                money=int(money)
            except:
                print("请重新输入一个数字")
            else:
                total.append(money)
            finally:
                print("-"*30)
    return total
def sum(money):
    count=0
    for i in money:
        count=count+i
    return count
price=new_input()
pay=sum(price)
print("您一共消费了"+str(pay)+"元！扫码还是现金呢？")