func.py

def new_input():
    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
result=new_input()
print(result)
"""
money=[]
def sum(money):
    p=0
    for i in money:
        p=p+i
    return p
price = [15,35,40,18,54,60,25]
con = sum(price)
print("您一共消费了"+str(con)+"元！扫码还是现金呢！")
"""