class A:
    def __init__(self,name,age):
        self.name=name
        self.age=age
    def func(self,sex):
        self.sex = sex
# 类的外面可以
obj =A(‘alex‘,12)
obj.heght=122
print(obj.__dict__)
{‘name‘: ‘alex‘, ‘age‘: 12, ‘heght‘: 122}

# 内部也可以
obj.func(‘nv‘)
print(obj.__dict__)
{‘name‘: ‘alex‘, ‘age‘: 12, ‘heght‘: 122, ‘sex‘: ‘nv‘}

class A:
    def __init__(self,name,age):
        self.name=name
        self.age=age
    def func(self,sex):
        self.sex = sex
        print(666)
    def func1(self):
        A.country=‘zhonguo‘


# 类的外部可以添加
A.aaa = 666
print(A.__dict__)

# 类的内部也可以添加
A.func1(12321)
print(A.__dict__)