python中子类使用父类属性

# -*- coding:utf-8 -*-
# file_name: python_class_inheritance_example.py
class Animal(object):#这里的object非常关键
    def __init__(self, name):
        self.name = name

    def saySomething(self):
        print("I am " + self.name)


class Dog(Animal):
    def __init__(self, name):
        Animal.__init__(self, name)

    def saySomething(self):
        print ("I am " + self.name + ", and I can bark")

    def saySomething_a(self):
        super(Dog, self).saySomething()


if __name__ == "__main__":
    dog = Dog("Blake")
    dog.saySomething()
    dog.saySomething_a()