1、創(chuàng)建類時init函數(shù)是兩個下劃線

2、訪問屬性和訪問方法的example

class Restaurant():
? ? def __init__(self,restaurant_name,cuisine_type):
? ? ? ? self.restaurant_name=restaurant_name
? ? ? ? self.cuisine_type=cuisine_type
? ? def describe_restaurant(self):
? ? ? ? print('this restaurant is called '+self.restaurant_name.title())
? ? ? ? print("it's cuisine type is "+self.cuisine_type.title())
? ? def open_restaurant(self):
? ? ? ? print(self.restaurant_name+'is open,welcome!')
#訪問屬性 ? ? ? ?
my_restaurant=Restaurant("li's restaurant","chinese")
print('my restaurant is '+my_restaurant.restaurant_name)
print("it's cuisine type is "+my_restaurant.cuisine_type.title())
print(my_restaurant.restaurant_name+'is open,welcome!\n')
#訪問方法
my_restaurant.describe_restaurant()

my_restaurant.open_restaurant()

output:

my restaurant is li's restaurant it's cuisine type is Chinese li's restaurantis open,welcome!this restaurant is called Li'S Restaurant it's cuisine type is Chinese li's restaurantis open,welcome!
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