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#!/usr/bin/python3 #类定义 class people: #定义基本属性 name = '' age = 0 #定义私有属性,私有属性在类外部无法直接进行访问 __weight = 0 #定义构造方法 def __init__(self,n,a,w): self.name = n self.age = a self.__weight = w def speak(self): print("%s 说: 我 %d 岁。" %(self.name,self.age)) #单继承示例 class student(people): grade = '' def __init__(self,n,a,w,g): #调用父类的构函 people.__init__(self,n,a,w) self.grade = g #覆写父类的方法 def speak(self): print("%s 说: 我 %d 岁了,我在读 %d 年级"%(self.name,self.age,self.grade)) #另一个类,多重继承之前的准备 class speaker(): topic = '' name = '' def __init__(self,n,t): self.name = n self.topic = t def speak(self): print("我叫 %s,我是一个演说家,我演讲的主题是 %s"%(self.name,self.topic)) #多重继承 class sample(speaker,student): a ='' def __init__(self,n,a,w,g,t): student.__init__(self,n,a,w,g) speaker.__init__(self,n,t) test = sample("Tim",25,80,4,"Python") test.speak() #方法名同,默认调用的是在括号中排前地父类的方法
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