书籍练习题
class Restaurant: def __init__(self,restaurant_name,cuisine_type,number_served=7): self.resraurant_name=restaurant_name self.cuisine_type=cuisine_type self.number_served=number_served def describe_restaurant(self): print('我的餐馆叫:%s'.ljust(3)%self.resraurant_name) print("我的菜肴类型是:%s"%self.cuisine_type) print("有【%s】人【%s】就餐过"%(self.number_served,self.resraurant_name)) def open_restaurant(self): print("%s正在营业"%self.resraurant_name) def set_number_served(self,full): self.number_served=full def increment_number(self,up): self.number_served+=up class User: def __init__(self,first_name,last_name,login_attempts): self.first_name=first_name self.last_name=last_name self.login_attempts=login_attempts def describe_user(self): print("first_name:%s\nlast_name:%s"%(self.first_name,self.last_name)) def greet_user(self): print("hello,welcome to your word!") def increment_login_attempts(self): self.login_attempts+=1 def reset_login_attempts(self): self.login_attempts=0