python_类_只读属性设置年龄，读写属性设置出生日期_Joohn2015的博客

class Student(object):

    def __init__(self,value,value1):
        self.value= value
        self.value1 = value1

    @property
    def birth(self):
        return self._birth

    @birth.setter
    def birth(self, value):
        self._birth = value

    # @property
    # def age(self):
    @property
    def age(self):
        return self.value1- self._birth


a = Student(1995,2010)
a.birth = 2000
print(a.age)class Student(object):

    def __init__(self,v