7_22 day25 8min super调用父类方法

上一节比较低端

class Vehicle1:
    Country='China'
    def __init__(self,name,speed,load,power):
        self.name=name
        self.speed=speed
        self.load=load
        self.power=power
    def run(self):
        print('开动啦')
        print('开动啦')
class Subway(Vehicle1):
        def __init__(self,name,speed,load,power,line):
           # Vehicle.__init__(self,name,speed,load,power)
           # 不用传参数，不用写名
           # 和下面有参数一样的，super().__init__(name,speed,load,power) = #super(__class__,self).__init__(name,speed,load,power)
           super(Subway,self).__init__(name,speed,load,power)
           self.line=line
        def show_info(self):
            print(self.name,self.speed,self.load,self.power,self.line)
        def run(self):
            # Vehicle.run(self)
            super().run()
            print('%s %s 线，开动啦' %(self.name,self.line))
line13=Subway('北京地铁','10km/s',1000000000,'电',13)
line13.show_info()
line13.run()

北京地铁 10km/s 1000000000 电 13
开动啦
开动啦
北京地铁 13 线，开动啦
<class '__main__.Subway'>

print(line13.__class__)