第九章

9-1

class Restaurant():
	def __init__(self, name, type_,number_served = 0 ):
		self.restaurant_name = name
		self.cuisine_type = type_
		self.number_served = number_served
		
	def describe_restaurant(self):
		print(self.restaurant_name)
		print(self.cuisine_type)
		
	def open_restaurant(self):
		print('The restaurant is open.')

restaurant = Restaurant('KFC', 'Fast Food')
print(restaurant.restaurant_name)
print(restaurant.cuisine_type)
restaurant.describe_restaurant()
restaurant.open_restaurant()

9-2

AAA = Restaurant('AAA', 'Chinese Food')
BBB = Restaurant('BBB', 'Western Fodd')
CCC = Restaurant('CCC', 'Dessert')

9-4

class Restaurant():
	def __init__(self, name, type_,number_served = 0 ):
		self.restaurant_name = name
		self.cuisine_type = type_
		self.number_served = number_served
		
	def describe_restaurant(self):
		print(self.restaurant_name)
		print(self.cuisine_type)
		
	def open_restaurant(self):
		print('The restaurant is open.')
	
	def set_number_served(self, number):
		self.number_served = number
		
	def increment_number_served(self, number):
		self.number_served += number

print(str(restaurant.number_served) + ' persons had meals in this restaurant.')
restaurant.number_served = 15
print(str(restaurant.number_served) + ' persons had meals in this restaurant.')

restaurant.set_number_served(20)
print(restaurant.number_served)

restaurant.increment_number_served(50)
print(restaurant.number_served)

9-6

class IceCreamStand(Restaurant):
	def __init__(self, name, type_, flavours, number_served = 0):
		super().__init__(name, type_,number_served = 0)
		self.flavours = flavours
		
	def display_flavours(self):
		for flavour in self.flavours:
			print(flavour)
			
ice = IceCreamStand('ice', 'ice-cream', flavours = ['strawberry', 'melon', 'apple'])
ice.display_flavours()

9-10

from restaurant import Restaurant

MHK = Restaurant('MHK', 'Japanese Food', 100)
MHK.describe_restaurant()