python self

‘‘‘self代表类的实例，而非类哪个对象调用方法，那么该方法中的self就代表那个对象self.__class__  代表类名_‘‘‘class Person(object):    def run(self):        print("run")        print(self.__class__)        p = self.__class__("tt", 30, 10, 30)        print(p)    def eat(self, food):        print("eat " + food)    def say(self):        print("Hello! my name is %s, I am %d years old" % (self.name, self.age))    #self不是关键字，换成其他的标识符也是可以的，但是帅的人都是用self    def play(a):        print("play " + a.name)    def __init__(self, name, age, height, weight):        self.name = name        self.age = age        self.height = height        self.weight = weightper1 = Person("tom", 20, 160, 80)per1.say()per2 = Person("hanmeimei", 21, 160, 80)per2.say()per1.play()per1.run()