def main():
mammal = animals.Mammal('Regular Animal')
dog = animals.Dog()
cat = animals.Cat()
print('Animals and the sound they make')
print('-----------------------------')
show_mammal_info(mammal)
print()
show_mammal_info(dog)
print()
show_mammal_info(cat)
print()
show_mammal_info('I am a string')
def main():
# Create a Mammal object, a Dog object, and a Cat object.
mammal = animals.Mammal('regular animal')
dog = animals.Dog()
cat = animals.Cat()
# display information about each one.
print('Here are some animals and')
print('the sounds they make.')
print('--------------------------')
show_mammal_info(mammal)
print()
show_mammal_info(dog)
print()
show_mammal_info(cat)
def main():
# Create a Mammal object, a Dog object, and
# a Cat object.
mammals = list()
mammals.append(animals.Mammal('regular animal'))
mammals.append(animals.Dog())
mammals.append(animals.Cat())
mammals.append(animals.Siberian_Husky())
# Display information about each one.
print('Here are some animals and')
print('the sounds they make.')
print('--------------------------')
for mammal in mammals:
show_mammal_info(mammal)
print()
def main():
mammal = animals.Mammal('regular animal')
dog = animals.Dog()
cat = animals.Cat()
# Display information about each one.
print('Here are some animals and'
+ 'the sounds they make.')
print('--------------------------------')
show_mammal_info(mammal)
print()
show_mammal_info(dog)
print()
show_mammal_info(cat)
def main():
mammal = animals.Mammal('regular animal')
dog = animals.Dog()
cat = animals.Cat()
print('Here are some animals and\nthe sound they make:')
print('-------------------------')
show_mammal_info(mammal)
print()
show_mammal_info(dog)
print()
show_mammal_info(cat)
def main():
# Utworzenie obiektów klas
# Mammal, Dog i Cat.
mammal = animals.Mammal('zwierzę')
dog = animals.Dog()
cat = animals.Cat()
# Wyświetlenie informacji o każdym zwierzęciu.
print('Oto kilka przykładów zwierząt')
print('i wydawanych przez nie dźwięków.')
print('--------------------------')
show_mammal_info(mammal)
print()
show_mammal_info(dog)
print()
show_mammal_info(cat)
def main():
# Создать объект Mammal, объект Dog
# и объект Cat.
mammal = animals.Mammal('Обычное животное')
dog = animals.Dog()
cat = animals.Cat()
# Показать информацию о каждом животном.
print('Вот несколько животных и')
print('звуки, которые они издают.')
print('--------------------------')
show_mammal_info(mammal)
print()
show_mammal_info(dog)
print()
show_mammal_info(cat)
def __init__(self, species):
self.__species = species
def show_species(self):
print('I am a', self.__species)
def make_sound(self):
print('Grrrrr')
# dog class inherits species, show_species and make_sound
class Dog(Mammal):
def __init__(self):
Mammal.__init__(self, 'Dog') # overrides species with "Dog"
def make_sound(self): # overrides make_sound
print('Woof! Woof!')
# from program file polymorphism_demo.py
import animals
mammal = animals.Mammal('regular animal') # create mammal object
dog = animals.Dog() # create dog object
# call show_species and make_sound methods from superclass
mammal.show_species()
mammal.make_sound()
# call show_species and make_sound methods from subclass
dog.show_species()
dog.make_sound()
### OUTPUT ###
# I am a regular animal
# Grrrrr
# I am a Dog
# Woof! Woof!
import animals
mammal = animals.Mammal('Regular mammal')
mammal.show_species()
mammal.make_sound()
cat = animals.Cat()
cat.show_species()
cat.make_sound()
dog = animals.Dog()
dog.show_species()
dog.make_sound()
