• 코드:
​x
 
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class Bird:
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    def __init__(self):
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        self.flying = True
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​
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    def birdsong(self):
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        print("새소리")
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​
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​
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class Sparrow(Bird):
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    def birdsong(self):
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        print("짹짹")
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​
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​
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class Chicken(Bird):
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    def __init__(self):
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        self.flying = False
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​
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​
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my_sparrow = Sparrow()
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my_chicken = Chicken()
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​
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my_sparrow.birdsong()
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my_chicken.birdsong()
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​
표준입력 & 실행옵션