Python学习——Class类

如下代码是对python中类的基本语法的学习：

#基类
class info:
    name=''
    age=0
    #私有属性
    __weight=0
    def __init__(self,name,age,weight):
        self.name=name
        self.age=age
        self.__weight=weight
    def speak(self):
        print('{0} says: I\'m {1},{2}'.format(self.name,self.age,self.__weight))

#单继承
class student(info):
    grade=''
    def __init__(self,name,age,weight,grade):
        info.__init__(self,name,age,weight)
        self.grade=grade
    def speak(self):
        print('{0} says: I\'m {1} years old, and I\'m in Grade {2}'.format(self.name,self.age,self.grade))
class learn():
    name=''
    title=''
    def __init__(self,name,title):
        self.name=name
        self.title=title
    def speak(self):
    #将类方法私有化
    #def __speak(self):
        print('I\'m {0}, I want to learn {1}'.format(self.name,self.title))
#多继承
class inherit(learn,info):
    def __init__(self,name,age,weight,grade,title):
        info.__init__(self,name,age,weight)
        learn.__init__(self,name,title)
    #def speak(self):
    #    print('我将方法重写了')

x=inherit('jack',17,120,9,'python')
x.speak()