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- 2015-3-12
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- 2015-3-20
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- #coding:gbk
- #练习类的建立
- class vehicle():
- #构造方法
- def __init__(self,speed):
- self.speed = speed
- #驾驶方法
- def drive(self,distance):
- time = distance/self.speed
- print '需要的驾驶时间是:%d'%time
- #自行车
- class Bike(vehicle):
- pass
- #汽车
- class Car(vehicle):
- def __init__(self,speed,fuel):
- vehicle.__init__(self,speed)
- self.fuel = fuel
- def drive(self,distance):
- vehicle.drive(self,distance)
- fuelcount = distance/100*self.fuel
- print '您开的是汽车,需要耗油%d升'%(fuelcount)
-
- #测试-------------
- bike = Bike(2)
- bike.drive(100)
- car = Car(100,7)
- car.drive(100)
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