Python OOP Example

Python-OOP-Example.py

// oop.py
# class definition (blueprint)
class Animal:

  # class constructor method
  def __init__(self, name):

    # instance properties
    self.name = name
    self.last_ate = None

    print "created new animal named", name

  def eat(self, food ):
    self.last_ate = food
    print self.name, "noms on", self.last_ate

  def poop(self):
    print self.name, "poops!!!"

# class definition, inherits from Animal
class Dog(Animal):

  # class constructor method
  def __init__(self):
    # property
    self.breed = None

    # super call, calls the super constructor
    Animal.__init__(self, "unnamed dog")

# Cat extends Animal
class Cat(Animal):

  def __init__(self, name, color):
    self.color = color
    Animal.__init__(self, name)


bill = Cat("Bill the Cat", "orange and white")
print bill.__dict__

walter = Dog()
walter.name = "Walter"
walter.breed = "Pug"
walter.eat("pizza")
walter.poop()
print walter.__dict__