示例
class Shape(object):
def __init__(self, **kwargs):
self.__dict__.update(**kwargs)
class Circle(Shape):
def __init__(self, **kwargs):
super(Circle, self).__init__(**kwargs)
class Shape(object):
def __init__(self, **kwargs):
self.__dict__.update(**kwargs)
class Circle(Shape):
def __init__(self, **kwargs):
super(Circle, self).__init__(**kwargs)