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In Python, *polymorphism* refers to the way in which different object classes can share the same method name

Question

In Python, polymorphism refers to the way in which different object classes can share the same method name.

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Solution

Yes, that's correct. Polymorphism in Python allows different object classes to share the same method name. This means that different classes can have methods with the same name, and the specific method that gets called is determined by the object that is being used to call it.

Here's a step-by-step explanation:

  1. Define a method in a class: In Python, methods are defined within classes. You can define a method with any name, and it will be associated with the class.

  2. Create different classes with the same method name: You can create multiple classes, each with a method of the same name. The method can perform different actions in each class.

  3. Create objects of the classes: You can create an object of each class.

  4. Call the method: When you call the method on an object, Python will automatically use the method that is associated with the class of the object. This is polymorphism - the same method name is being used to perform potentially different actions, depending on the object that is calling the method.

Here's a simple example:

class Cat:
    def sound(self):
        return "Meow"

class Dog:
    def sound(self):
        return "Woof"

# Create a cat and a dog
c = Cat()
d = Dog()

# Call the sound method on both objects
print(c.sound())  # Outputs: Meow
print(d.sound())  # Outputs: Woof

In this example, both the Cat and Dog classes have a method called sound, but the method performs a different action in each class. When the method is called on a Cat object, it returns "Meow", and when it's called on a Dog object, it returns "Woof". This is polymorphism in action.

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