我的人工智能之路1

admin管理员组

文章数量:1794759

我的人工智能之路1

今天已经学到第9章了，类，有些练习答案分享如下：

9-6：冰淇淋小店

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() 9-7：管理员

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()9-8：权限

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() 9-9：电瓶升级

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""" print("This car has a " + str(self.battery_size) + "-kWh battery.") def get_range(self): """打印一条消，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() 9-14：骰子

#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()

本文标签： 之路人工智能