class Animal(object):
def_init_(self,name,age):
self.name = name
self.age = age
dog = Animal('Tim',4)
cat = Animal('Aim',5)
print(dog.name)
print(dog.age)
print(cat.name)
print(cat.age)
class Animal():
def __init__(self,name,age):
self.name = name
self.age = age
print('{}今年{}岁'.format(name,age))
dog = Animal('汪汪',18)
cat = Animal('喵喵',30)class Animal(object):
def __init__(self, name, age):
self.name = name
self.age = age
dog = Animal('Tim', 4)
cat = Animal('Aim', 5)
print(dog.name)
print(dog.age)
print(cat.name)
print(cat.age)def后有个空格,init前后是两个下划线