# 创建类,生成对象
class Dog:
 # 初始化方法
 def __init__(self, name, age):
 self.name = name
 self.__age = age

 # 销毁方法
 def __del__(self):
 print('__del__')
 self.name=''
 self.age = 0

 # __str__ 返回一个字符串
 def __str__(self):
 return self.name + "," + str(self.__age)

 # 狗吃饭方法
 def eat(self):
 print('狗吃肉')

 # 狗叫的方法
 def bark(self):
 print('旺')

 # 打印狗信息
 def info(self):
 print("姓名:%s, 年龄:%d"%(self.name, self.age))

 # 设置狗的名字
 def set_name(self, name):
 self.name = name

 # 读取狗的名字
 def get_name(self):
 return self.name

 def get_age(self):
 return self.__age

# dog1 = Dog()
# print(dog1)

# 属性
#dog1.name = "旺财"
# dog1.set_name("旺财")
# dog1.age = 13
# dog1.sex = 'male'
# print(dog1.get_name())

# dog1.eat()
# dog1.info()

dog1 = Dog("旺财", 13)
print(dog1)
print(dog1.name)
print(dog1.get_age())

del dog1
print('over')

# 练习
class Cat:
 def __init__(self, name):
 self.name = name
 self.age = 0

 def yearPass(self):
 self.age += 1

 def __str__(self):
 info = self.name + ", " + str(self.age) + "岁" + ", "
 extend_info = '无饰物'
 if self.age >=1 and self.age <3 :
 pass
 elif self.age >=3 and self.age <5 :
 extend_info = "衣服"
 elif self.age >=5 and self.age <8 :
 extend_info = "衣服、脚垫"
 elif self.age >=8 and self.age <10 :
 extend_info = "衣服、脚垫、铃铛"
 else :
 extend_info = "衣服、脚垫、铃铛、剪胡子"
 return (info + extend_info)

cat1 = Cat('汤姆')
for i in range(1,12):
 cat1.yearPass()
 print(cat1)