用书上的办法编完程序,为啥就一直报错啊?
class Dog():
"""模拟小狗"""
def _init_(self,name,age):
"""初始化属性"""
self.name= name
self.age= age
def sit(self):
"""小狗收到命令蹲下"""
print(f"{self.name} is sitting......")
def roll_over(self):
"""模拟小狗打滚"""
print(f"{self.name} rolled over!")
my_dog=Dog(111,1)
print(f"My dog's name is {my_dog.name}")
print(f"My dog is {my_dog.age} years old")