python属性的封装

"""
  属性
"""
# 1.读写属性
class Wife:
    def __init__(self,age):
        self.age=age
    @property
    def age(self):
        return  self.__age
    @age.setter
    def age(self,value):
        self.__age=value
w01=Wife(25)
print(w01.age)
# 2.只读属性
class Wife:
    def __init__(self,age):
        self.__age=26
    @property
    def age(self):
        return  self.__age
w01=Wife(25)
print(w01.age)
# 3.只写属性
class Wife:
    def __init__(self,age):
        self.age=age
   # @age.setter
    def __age(self,value):
        self.__age=value
    age=property(None,__age)
w01=Wife(25)
print(w01.age)