n=0 sum = 0 while True: try: inputnumber = input(">>>>>") if inputnumber == "exit": break n += 1 sum += int(inputnumber) print(sum) except : print("输入有误")
运行结果:
>>>>>1
1
>>>>>34
35
>>>>>35
70
>>>>>44
114
>>>>>556
670
>>>>>e
输入有误
>>>>>ertgtg
输入有误
>>>>>exit
Process finished with exit code 0