[Python] 异常

1 try:
2     s = input(‘please enter two numbers separated by comma: ‘)
3     num1 = int(s.split(‘,‘)[0].strip())
4     num2 = int(s.split(‘,‘)[1].strip())
5 
6 except (ValueError, IndexError) as err:
7     print(‘Error:{}‘.format(err))
8 
9 print(‘continue‘)

1 class MyInputError(Exception):
2     def __init__(self, value):
3         self.value = value
4     def __str__(self):
5         return("{} is invalie input".format(repr(self.value)))
6 try:
7     raise MyInputError(1)
8 except MyInputError as err:
9     print(‘Error:{}‘.format(err))