python 初级入门（三）

class Per:     a=1     def dayin(self,a):         print(a)         print(a)         print(a)         print(a)     #函数调用     # dayin()     # dayin(1)     # dayin(1)      #缺省参数     def machine(self,x,y='奶油'):         print(x)         print(y)      # machine('巧克力')      def jubu(self):         a=2         print(a)     # jubu()  class Person:     heigh = 170     weigh = '100kg'     sex = 'male'      def speak(self):         print("我会说话")      def run(self):         print("我会跑")  class Cat:      def __init__(self):         self.name = '小白'         self.age = 100         self.color = 'white'      def show(self,name,age,color):         print(name)         print(age)         print(color)      def show2(self):         print(self.name)         print(self.age)         print(self.color)      def set(self,name,age,color):         self.name = name         self.age = age         self.color = color         print(self.name)         print(self.age)         print(self.color)  #实例化对象 # cat = Cat() # cat.show('小黑',99,'black') # cat.show2() # cat.set('小黄',98,'yellow') # cat.show2()  #析构函数 class Dog:      def __init__(self,b):         print('我是构造函数')         print(b)      @staticmethod     def jiao():    #静态方法不需要加self参数         print('汪汪汪')      def pao(self):         print('我会跑')      def __del__(self):         print('我是析构函数')         print()  # dog = Dog(11111)    #实例化 # dog.speak(1111)  Dog.jiao()     #调用静态方法不需要对类进行实例化  #类的继承 class Mouse(Cat,Person,Dog):      def eat(self):         print('我会吃东西')  # mouse = Mouse() # mouse.eat() # mouse.show2() # mouse.speak() # mouse.jiao()