创建类之后，每次运行都提示 Restaurant takes no arguments. 请问哪里有问题呀？

class Restaurant():
    def _init_(self, restaurant_name, cuisine_type):
        self.name = name
        self.cuisine_type = cuisine_type
    def describe_restaurant(self):
        print("The restaurant is "+ self.name.title()+".")
        print("The cuisine type is "+ self.cuisine_type.title()+".")
    def open_restaurant(self):
        print("The restaurant: "+ self.name.title + " is now opening!")

res_1 = Restaurant('Tangren' , 'Chinese food')
res_1.describe_restaurant()

创建类之后，每次运行都提示 Restaurant takes no arguments. 请问哪里有问题呀？

class Restaurant():
    def _init_(self, restaurant_name, cuisine_type):
        self.name = name
        self.cuisine_type = cuisine_type
    def describe_restaurant(self):
        print("The restaurant is "+ self.name.title()+".")
        print("The cuisine type is "+ self.cuisine_type.title()+".")
    def open_restaurant(self):
        print("The restaurant: "+ self.name.title + " is now opening!")

res_1 = Restaurant('Tangren' , 'Chinese food')
res_1.describe_restaurant()