21 lines
333 B
Python
21 lines
333 B
Python
# staticchecking/PetSpeak.py
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# Speaking pets in Python
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class Pet:
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def speak(self): pass
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class Cat(Pet):
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def speak(self):
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System.out.println("meow!")
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class Dog(Pet):
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def speak(self):
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System.out.println("woof!")
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def command(pet):
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pet.speak()
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pets = [ Cat(), Dog() ]
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for pet in pets:
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command(pet)
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