Bruce Eckel 49edcc8b17 reorg
2015-06-15 17:47:35 -07:00

23 lines
352 B
Python

#: staticchecking/PetSpeak.py
# ©2015 MindView LLC: see Copyright.txt
# Speaking pets in Python
class Pet:
def speak(self): pass
class Cat(Pet):
def speak(self):
print("meow!")
class Dog(Pet):
def speak(self):
print("woof!")
def command(pet):
pet.speak()
pets = [ Cat(), Dog() ]
for pet in pets:
command(pet)
#:~