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 print(total) new_input() 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!")