PCAP Object-Oriented Programming 2

Question 1

What does the `super()` function do in Python?

Accepted Answer

Calls a method from the parent class

Answer

`super()` returns a proxy object that delegates method calls to the parent class.

Question 2

What is method overriding in Python OOP?

Accepted Answer

Defining a method with the same name in a subclass

Answer

Method overriding means redefining a parent class method in a child class with the same name.

Question 3

Which of the following correctly defines a subclass `Dog` inheriting from `Animal`?

Accepted Answer

class Dog(Animal):

Answer

Python uses parentheses after the class name to specify the parent class for inheritance.

Question 4

What is polymorphism in Python?

Accepted Answer

Multiple classes responding to the same interface

Answer

Polymorphism allows different classes to be used through the same interface by implementing the same methods.

Question 5

How do you define a class variable (shared by all instances) in Python?

Accepted Answer

Declare it outside any method, inside the class body

Answer

Class variables are defined in the class body outside any method and are shared by all instances.

PCAP - Certified Associate in Python Programming Practice Test