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DogsAndRobots.py
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26 lines (20 loc) · 464 Bytes
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# staticchecking/DogsAndRobots.py
# (c)2021 MindView LLC: see Copyright.txt
# We make no guarantees that this code is fit for any purpose.
# Visit http://OnJava8.com for more book information.
def speak(anything):
anything.talk()
class Dog:
def talk(self): print("Arf!")
def reproduce(self): pass
class Robot:
def talk(self): print("Click!")
def oilChange(self): pass
a = Dog()
b = Robot()
speak(a)
speak(b)
output = """
Arf!
Click!
"""