def main():
zoo = []
#Cats
Carmen = Cat("Carmen")
zoo.append(Carmen)
Chloe = Cat("Chloe")
zoo.append(Chloe)
Caidy = Cat("Caidy")
zoo.append(Caidy)
#Lions
Leeroy = Lion("Leeroy")
Leeroy.setAnimalEat(AnimalEatMeat())
zoo.append(Leeroy)
Leon = Lion("Leon")
Leon.setAnimalEat(AnimalEatMeat())
zoo.append(Leon)
#Tigers
Tony = Tiger("Tony")
Tony.setAnimalEat(AnimalEatMeat())
zoo.append(Tony)
Tom = Tiger("Tom")
Tom.setAnimalEat(AnimalEatMeat())
zoo.append(Tom)
Timmy = Tiger("Timmy")
Timmy.setAnimalEat(AnimalEatMeat())
zoo.append(Timmy)
#Elephants
Edith = Elephant("Edith")
Edith.setAnimalEat(AnimalEatVegetarian())
zoo.append(Edith)
Erin = Elephant("Erin")
Erin.setAnimalEat(AnimalEatVegetarian())
zoo.append(Erin)
#Rhinos
Ryan = Rhino("Ryan")
Ryan.setAnimalEat(AnimalEatVegetarian())
zoo.append(Ryan)
Robert = Rhino("Robert")
Robert.setAnimalEat(AnimalEatVegetarian())
zoo.append(Robert)
Ronan = Rhino("Ronan")
Ronan.setAnimalEat(AnimalEatVegetarian())
zoo.append(Ronan)
#Hippos
Harper = Hippo("Harper")
Harper.setAnimalEat(AnimalEatVegetarian())
zoo.append(Harper)
Hector = Hippo("Hector")
Hector.setAnimalEat(AnimalEatVegetarian())
zoo.append(Hector)
#Dogs
Douglas = Dog("Douglas")
Douglas.setAnimalEat(AnimalEatMeat())
zoo.append(Douglas)
Damian = Dog("Damian")
Damian.setAnimalEat(AnimalEatMeat())
zoo.append(Damian)
Dominic = Dog("Dominic")
Dominic.setAnimalEat(AnimalEatMeat())
zoo.append(Dominic)
Daisy = Dog("Daisy")
Daisy.setAnimalEat(AnimalEatMeat())
zoo.append(Daisy)
#Wolves
Wilson = Wolf("Wilson")
Wilson.setAnimalEat(AnimalEatMeat())
zoo.append(Wilson)
Wendy = Wolf("Wendy")
Wendy.setAnimalEat(AnimalEatMeat())
zoo.append(Wendy)
#PROOF OF DYNAMIC BEHAIVOR AT RUN TIME
#(All other eat behaivor set at object instatiation above)
Carmen.setAnimalEat(AnimalEatPreMixedFood())
Caidy.setAnimalEat(AnimalEatPreMixedFood())
Chloe.setAnimalEat(AnimalEatPreMixedFood())
Kanye = Zookeeper(zoo) #Subject
Kim = ZooAnnouncer(Kanye) #Observer
Kanye.registerObserver(Kim)
Kanye.beAZookeeper()
del Kim
del Kanye
for animal in zoo:
del animal
