Exploring Python OOP Concepts

What is the main purpose of a class in Python?

• To store data in a structured format

• To define a blueprint for creating objects

• To execute a block of code repeatedly

• To handle exceptions in a program

Which of the following is true about objects in Python?

• Objects are instances of classes

• Objects cannot have methods

• Objects are the same as classes

• Objects do not store data

What is inheritance in Python?

• A way to define a new class with little or no modification to an existing class

• A method to encapsulate data

• A technique to hide data from users

• A process of creating multiple objects from a single class

Which keyword is used to inherit a class in Python?

• inherit

• extends

• super

• class

What is encapsulation in Python?

• The process of defining a class

• The technique of wrapping data and methods into a single unit

• The method of inheriting properties from another class

• The act of creating multiple instances of a class

Which of the following is a benefit of encapsulation?

• It allows for code duplication

• It increases the complexity of the code

• It restricts access to certain components of an object

• It makes the code less secure

How do you define a private attribute in a Python class?

• By prefixing the attribute name with a single underscore (_)

• By prefixing the attribute name with a double underscore (__)

• By using the keyword private

• By using the keyword protected

What is the output of the following code snippet? ```python class Animal: def __init__(self, name): self.name = name class Dog(Animal): def speak(self): return "Woof!" dog = Dog("Buddy") print(dog.speak()) ```

• Buddy

• Woof!

• Error

• None

Which of the following statements is true about method overriding in Python?

• It allows a subclass to provide a specific implementation of a method that is already defined in its superclass

• It is used to define multiple methods with the same name in a class

• It is not possible in Python

• It is used to hide methods from the superclass

What is the purpose of the `__init__` method in a Python class?

• To define a class method

• To initialise the attributes of an object

• To delete an object

• To inherit properties from another class