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模块，导入自定义模块，python标准库，类编码风格
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‎.idea/inspectionProfiles/Project_Default.xml‎

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‎ex_python_201902/ex_0906_restaurant.py‎

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class Restaurant():
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"""模拟餐厅营业"""
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def __init__(self, restaurant_name, cuisine_type):
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"""初始化餐厅的属性"""
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self.restaurant_name = restaurant_name
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self.cuisine_type = cuisine_type
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self.number_served = 0
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def describe_restaurant(self):
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"""打印餐厅描述信息"""
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print(self.restaurant_name.title() + ' ' + self.cuisine_type.title())
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def open_restaurant(self):
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"""打印餐厅正在营业"""
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print(self.restaurant_name.title() + " is opening now!")
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def read_restaurant(self):
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"""打印有多少人就过餐"""
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print(str(self.number_served) + " people had eat in the " + self.restaurant_name.title())
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def set_number_served(self, number):
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"""设置就餐人数"""
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self.number_served = number
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def increment_number_served(self, number_served):
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"""可能的就餐人数"""
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self.number_served += number_served
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class IceCreamStand(Restaurant):
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"""模拟冰淇淋小店"""
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def __init__(self, restaurant_name, cuisine_type):
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"""初始化父类属性"""
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super().__init__(restaurant_name, cuisine_type)
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self.flavors = {'奶油冰淇淋', '草莓冰淇淋', '芒果冰淇淋'}
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def describe_iceCream(self):
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all_flavor = ''
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for flavor in self.flavors:
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all_flavor += "'" + flavor + "', "
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print("all ice cream " + all_flavor)
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iceCream = IceCreamStand('wind', 'ice')
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iceCream.describe_restaurant()
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iceCream.describe_iceCream()

‎pymotw_3/random/random_random.py‎

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import random
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for i in range(5):
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print('%04.3f' % random.random(), end=' ')
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print()

‎pymotw_3/random/random_uniform.py‎

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import random
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for i in range(5):
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print('{:04.3f}'.format(random.uniform(1, 100)), end=' ')
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print()

python_sample_9.3_inheritance/python_sample_9.3.1/electric_car.py renamed to python_9_chapter_sample/car.py

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"""一个可用于表示汽车的类"""
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class Car(object):
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"""一次模拟汽车的简单尝试"""
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def increment_odometer(self, miles):
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"""将里程表读数增加指定的量"""
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self.odometer_reading += miles
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def fill_gas_tank(self):
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"""要被在子类中重写的方法测试"""
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print("父类中的方法！")
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class ElectricCar(Car):
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"""电动车的独特之处"""
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def __init__(self, make, model, year):
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"""初始化父类的属性，再初始化电动车特有的属性"""
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super().__init__(make, model, year)
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self.battery_size = 70
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# super(ElectricCar, self).__init__(make, model, year) python 2.7必须这样添加实参
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def describe_battery(self):
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"""打印一条描述电瓶容量的消息"""
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print("This car has a " + str(self.battery_size) + "-kWh battery.")
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def fill_gas_tank(self):
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"""电动车没有油箱"""
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print("This car does't need a gas tank!")
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car = Car('hona', 'jeck', 2011)
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print(car.get_descriptive_name())
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car.fill_gas_tank()
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my_tesla = ElectricCar('tesla', 'model s', 2016)
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print(my_tesla.get_descriptive_name())
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my_tesla.describe_battery()
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my_tesla.fill_gas_tank()

‎python_9_chapter_sample/electric_car.py‎

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"""一组可用于表示电动汽车的类"""
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from python_9_chapter_sample.car import Car
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class Battery(object):
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"""一次模拟电动汽车电瓶的简单尝试"""
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def __init__(self, battery_size=70):
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"""初始化电瓶的属性"""
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self.battery_size = battery_size
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def describe_battery(self):
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"""打印一条描述电瓶容量的消息"""
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print("This car has a " + str(self.battery_size) + "-kWh battery.")
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def get_range(self):
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"""打印一条消息，指出电瓶的续航里程"""
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if self.battery_size == 70:
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range = 240
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elif self.battery_size == 85:
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range = 270
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message = "This car can go approximately " + str(range)
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message += " miles on a full charge."
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print(message)
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class ElectricCar(Car):
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"""电动车的独特之处"""
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def __init__(self, make, model, year):
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"""初始化父类的属性，再初始化电动车特有的属性"""
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super().__init__(make, model, year)
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self.battery = Battery()
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# self.battery_size = 70
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# super(ElectricCar, self).__init__(make, model, year) python 2.7必须这样添加实参
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def fill_gas_tank(self):
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"""电动车没有油箱"""
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print("This car does't need a gas tank!")
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‎python_9_chapter_sample/favorite_languages.py‎

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from collections import OrderedDict
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favorite_languages = OrderedDict()
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favorite_languages['jen'] = 'python'
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favorite_languages['sarah'] = 'c'
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favorite_languages['edward'] = 'ruby'
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favorite_languages['phil'] = 'python'
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for name, language in favorite_languages.items():
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print(name.title() + "'s favorite language is " + language.title() + ".")
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‎python_9_chapter_sample/my_car.py‎

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from python_9_chapter_sample.car import Car
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my_new_car = Car('audi', 'a4', 2016)
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print(my_new_car.get_descriptive_name())

‎python_9_chapter_sample/my_cars.py‎

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# from python_9_chapter_sample.car import Car, ElectricCar
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import python_9_chapter_sample.car as car
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my_beetle = car.Car('volkswagen', 'beetle', 2016)
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print(my_beetle.get_descriptive_name())
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my_tesla = car.ElectricCar('tesla', 'roadster', 2019)
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print(my_tesla.get_descriptive_name())

‎python_9_chapter_sample/my_electric_car.py‎

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from python_9_chapter_sample.electric_car import ElectricCar
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my_tesla = ElectricCar('tesla', 'model s', 2016)
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print(my_tesla.get_descriptive_name())
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my_tesla.battery.describe_battery()
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my_tesla.battery.get_range()

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