"""一组表示燃油汽车和电动汽车的类"""

class Car():
    """一次模拟汽车的简单尝试"""
    
    def __init__(self, make, model, year):
        """初始化描述汽车的属性"""
        self.make = make
        self.model = model
        self.year = year
        self.odometer_reading = 0
        
    def get_descriptive_name(self):
        """返回整洁的描述性信息"""
        long_name = f"{self.year} {self.make} {self.model}"
        return long_name.title()
    
    def read_odometer(self):
        """打印一条指出汽车里程的消息"""
        print(f"This car has {self.odometer_reading} miles on it.")
        
    def update_odometer(self, mileage):
        """
        将里程表读数设置为指定的值
        禁止将里程表读数往回调
        """
        if mileage >= self.odometer_reading:
            self.odometer_reading = mileage
        else:
            print("You can't roll back an odometer!")
            
    def increment_odometer(self, miles):
        """将里程表读数增加指定的量"""
        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(f"This car has a {self.battery_size}-kwh battery")
        
    # 新增加方法
    def get_range(self):
        """打印一条消息，指出电瓶的续航里程"""
        if self.battery_size == 75:
            range = 260
        elif self.battery_size == 100:
            range = 315
            
        print(f"This car can go about {range} miles on a full charge.")


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，再初始化电动汽车特有的属性
        """
        super().__init__(make, model, year)
        # 电动汽车特有的属性
        self.battery = Battery(100)
        
    # 重写方法
    def fill_gas_tank(self):
        """电动汽车没有油箱"""
        print("This car doesn't need a gas tank!")
"""一组表示燃油汽车和电动汽车的类"""

class Car():
    """一次模拟汽车的简单尝试"""
    
    def __init__(self, make, model, year):
        """初始化描述汽车的属性"""
        self.make = make
        self.model = model
        self.year = year
        self.odometer_reading = 0
        
    def get_descriptive_name(self):
        """返回整洁的描述性信息"""
        long_name = f"{self.year} {self.make} {self.model}"
        return long_name.title()
    
    def read_odometer(self):
        """打印一条指出汽车里程的消息"""
        print(f"This car has {self.odometer_reading} miles on it.")
        
    def update_odometer(self, mileage):
        """
        将里程表读数设置为指定的值
        禁止将里程表读数往回调
        """
        if mileage >= self.odometer_reading:
            self.odometer_reading = mileage
        else:
            print("You can't roll back an odometer!")
            
    def increment_odometer(self, miles):
        """将里程表读数增加指定的量"""
        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(f"This car has a {self.battery_size}-kwh battery")
        
    # 新增加方法
    def get_range(self):
        """打印一条消息，指出电瓶的续航里程"""
        if self.battery_size == 75:
            range = 260
        elif self.battery_size == 100:
            range = 315
            
        print(f"This car can go about {range} miles on a full charge.")


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，再初始化电动汽车特有的属性
        """
        super().__init__(make, model, year)
        # 电动汽车特有的属性
        self.battery = Battery(100)
        
    # 重写方法
    def fill_gas_tank(self):
        """电动汽车没有油箱"""
        print("This car doesn't need a gas tank!")
一组表示燃油汽车和电动汽车的类 一次模拟汽车的简单尝试 初始化描述汽车的属性 返回整洁的描述性信息 打印一条指出汽车里程的消息 将里程表读数设置为指定的值         禁止将里程表读数往回调 将里程表读数增加指定的量 一次模拟电动汽车电瓶的简单尝试 初始化电瓶的属性 打印一条描述电瓶容量的消息 # 新增加方法 打印一条消息，指出电瓶的续航里程 电动汽车的独特之处 初始化父类的属性，再初始化电动汽车特有的属性 # 电动汽车特有的属性 # 重写方法 电动汽车没有油箱