Answer:
Explanation:
class Pet:
def __init__(self):
self.name = ''
self.age = 0
def print_info(self):
print('Pet Information:')
print(' Name:', self.name)
print(' Age:', self.age)
class Dog(Pet):
def __init__(self):
Pet.__init__(self)
self.breed = ''
def main():
my_pet = Pet()
my_dog = Dog()
pet_name = input()
pet_age = int(input())
dog_name = input()
dog_age = int(input())
dog_breed = input()
my_pet.name = pet_name
my_pet.age = pet_age
my_pet.print_info()
my_dog.name = dog_name
my_dog.age = dog_age
my_dog.breed = dog_breed
my_dog.print_info()
print(' Breed:', my_dog.breed)
main()
This program is an illustration of class methods.
Class methods are methods bounded to a class and not the object of the class.
The program in Python, where comments are used to explain each line is as follows:
#This creates the pet class
class Pet:
#This creates an instance of the pet class
def __init__(self):
#These initialize the name and the age of the pet
self.name = ''
self.age = 0
#This creates the print_info method
def print_info(self):
#These print the pet information; name and age
print('Pet Information:')
print(' Name:', self.name)
print(' Age:', self.age)
#This creates the dog class
class Dog(Pet):
#This creates an instance of the dog class
def __init__(self):
#This initializes the breed of the dog
Pet.__init__(self)
self.breed = ''
#This defines the main method
def main():
#This creates a pet object
my_pet = Pet()
#This creates a dog object
my_dog = Dog()
#This gets input for the pet name
pet_name = input()
#This gets input for the pet age
pet_age = int(input())
#This gets input for the dog name
dog_name = input()
#This gets input for the dog age
dog_age = int(input())
#This gets input for the dog breed
dog_breed = input()
#This sets the pet name
my_pet.name = pet_name
#This sets the pet age
my_pet.age = pet_age
#This calls the print_info method
my_pet.print_info()
#This sets the dog name
my_dog.name = dog_name
#This sets the dog age
my_dog.age = dog_age
#This sets the dog breed
my_dog.breed = dog_breed
#This calls the print_info method
my_dog.print_info()
#This prints the dog breed
print(' Breed:', my_dog.breed)
#This calls the main method
main()
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