파이썬 타이핑

# -*- coding: utf-8 -*-
import random
import sys
import os
class Animal(object):
    __name = ""
    __height = 0
    __weight = 0
    __sound = 0
    def __init__(self, name, height, weight, sound):
        self.__name = name
        self.__height = height
        self.__weight = weight
        self.__sound = sound
    def set_name(self,name):
        self.__name = name
    def get_name(self):
        return self.__name
    def get_height(self):
        return str(self.__height)
    def get_weight(self):
        return str(self.__weight)
    def get_sound(self):
        return str(self.__sound)
    def get_type(self):
        print("Animal")
    def toStirng(self):
        return "{} is {} cm tall and {} kilograms and say {}".format(self.__name,
        self.__height,
        self.__weight,
        self.__sound)
cat = Animal("Whiskers",33, 10, 'Meow')
print(cat.toStirng())
class Dog(Animal):
    __owner = ""
    def __init__(self, name, height, weight, sound, owner):
        #나머지 name~ sound는 super class인 Animal 핸들러에서 처리
        self.__owner =  owner
        super(Dog,self).__init__(name,height,weight,sound)
    def set_owner(self,owner):
        self.set_owner = owner
    def get_owner(self):
        return self.__owner
    def get_type(self):
        print("Dog")
    def toStirng(self):
        return super(Dog,self).toStirng() + " His/Her owner is {}".format(self.__owner)
    #how_many 옵션이 없어도 ok
    def muliple_sounds(self, how_many=None):
        if how_many is None:
            pirnt(self.get_sound())
        else:
            print(self.get_sound * how_many)
spot = Dog("Spot", 53, 27, "Ruff", "Dreak")
print(spot.toStirng())