Chapter 50 - DuckTyping.py

# CHAPTER 50
# Duck Typing = concept where the class of an object is less important than the methods
#               class type is not checked if minimum methods/attributes are present
#               "If it walks like a duck, and it quacks like a duck, then it must be a duck."

class Duck:

    def walk(self):
        print("This duck is walking")

    def talk(self):
        print("This duck is qwuacking")


class Chicken():

    def walk(self):
        print("This chicken is walking")

    def talk(self):
        print("This chicken is clucking")


class Person():

    def catch(self, duck):
        duck.walk()
        duck.talk()
        print("You caught the critter!")

duck = Duck()
chicken = Chicken()
person = Person()

# This won't work if the Chicken class
# Doesn't have the same methods of Duck class
person.catch(chicken)