我的人工智能之路1-Python编程：从入门到实践-2

class Restaurant():
def __init__(self, restaurant_name, cuisine_type):
self.restaurant_name = restaurant_name
self.cuisine_type = cuisine_type
self.number_served = 0

def open_restaurant(self):
print("The restaurant is opening")

def describe_restaurant(self):
print("The restaurant name is " + self.restaurant_name +
", and the cuisine type is " + self.cuisine_type + ".")

def set_number_served(self, num):
self.number_served = num

def increment_number_served(self,inc):
self.number_served += inc

class IceCreamStand(Restaurant):
def __init__(self, restaurant_name, cuisine_type, *flavors):
super().__init__(restaurant_name, cuisine_type)
self.flavors = flavors

def back(self):
for i in self.flavors:
print(i)

ice = IceCreamStand('waipojia', 'zhongcan','a','b','c')
ice.back()

class User():

def __init__(self,first_name,last_name):
self.first_name = first_name
self.last_name = last_name

def describe_user(self):
print(self.first_name.title() + ' ' +
self.last_name.title() +
" is a user!")

class Admin(User):

def __init__(self,first_name,last_name,*list):
super().__init__(first_name,last_name)
self.privileges = list

def show_privileges(self):
print(self.first_name.title() + ' ' +
self.last_name.title())
for i in self.privileges:
print('\t-' + i + '.')

user = Admin('john', 'haha', 'can add post', 'can delete post', 'can ban user')
user.show_privileges()

class User():

def __init__(self,first_name,last_name):
self.first_name = first_name
self.last_name = last_name

def describe_user(self):
print(self.first_name.title() + ' ' +
self.last_name.title() +
" is a user!")

class Privileges():
def __init__(self):
self.privileges = ['can add post', 'can delete post', 'can ban user']

def show_privileges(self):
for i in self.privileges:
print('\t-' + i + '.')

class Admin(User):

def __init__(self,first_name,last_name):
super().__init__(first_name,last_name)
self.privileges = Privileges()

user = Admin('john', 'haha')
user.privileges.show_privileges()

class Car():
"""一次模拟汽车的简单尝试"""
def __init__(self, make, model, year):
self.make = make
self.model = model
self.year = year
self.odometer_reading = 0

def get_descriptive_name(self):
long_name = str(self.year) + ' ' + self.make + ' ' + self.model
return long_name.title()

def read_odometer(self):
print("This car has " + str(self.odometer_reading) + " miles on it.")

def update_odometer(self, mileage):
if mileage >= self.odometer_reading:
self.odometer_reading = mileage
else:
print("You can't roll back an odometer!")

def increment_odometer(self, miles):
self.odometer_reading += miles

class Battery():
"""一次模拟电动汽车电瓶的简单尝试"""

def __init__(self, battery_size=70):
"""初始化电瓶的属性"""
self.battery_size = battery_size

def describe_battery(self):
"""打印一条描述电瓶容量的消息"""
print("This car has a " + str(self.battery_size) + "-kWh battery.")

def get_range(self):
"""打印一条消息，指出电瓶的续航里程"""
if self.battery_size == 70:
range = 240
elif self.battery_size == 85:
range = 270
message = "This car can go approximately " + str(range)
message += " miles on a full charge."
print(message)

def upgrade_battery(self):
self.battery_size = 85

class ElectricCar(Car):
"""电动汽车的独特之处"""
def __init__(self, make, model, year):
"""初始化父类的属性"""
super().__init__(make, model, year)
self.battery = Battery()

my_tesla = ElectricCar('tesla', 'model s', 2016)
print(my_tesla.get_descriptive_name())
my_tesla.battery.describe_battery()
my_tesla.battery.get_range()
my_tesla.battery.upgrade_battery()
my_tesla.battery.get_range()

#die.py
from random import randint

class Die():

def __init__(self, sides=6):
self.sides = sides

def roll_die(self):
print(randint(1, self.sides))

#my_die.py
import die

my_die = die.Die(20)
for i in range(10):
my_die.roll_die()