func.py

def new_input():
    total = []
    while True:
        unit= input("请输入(q退出)：")
        if unit== 'q':
            break
        else:
            try:
                unit=int(money)
            except:
                print("请重新输入一个数字)
            else:
                total.append(unit)
            finally:
            print("======================")
        return total
        def sum(money):
            count=0
            for i in money:
                count=count+1
            reture count

        prince=new_input()
        pay=sum(price)
        print("你一共消费了"+str(pay)+"元!扫码还是现金呢")

result=new_input()
print(result)