python自定义异常

#自定义异常 需要继承Exception
class MyException(Exception):
    def __init__(self, *args):
        self.args = args
#raise MyException('爆出异常吧哈哈')

#最简单的自定义异常
class FError(Exception):
    pass

try:
    raise FError("自定义异常")
except FError as e:
    print(e)