class objects inheritance

What is a class in Python?

• A built-in data type

• A user-defined blueprint for creating objects

• A loop construct

• A file manipulation operation

When one class gains or references another class.

• Instances

• Objects

• Inheritance

• Classes

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

• It is used to initialize the attributes of an object
• It is used to delete an object
• It is used to create a new object
• It is used to modify an existing object

In Python, what is the primary purpose of inheritance in object-oriented programming?

• To allow the creation of complex data structures
• To allow the reuse of code across multiple objects
• To increase the execution speed of the program
• To allow the use of multiple programming languages

What is the purpose of the self keyword in Python class methods?

• To refer to the instance of the class
• To create a new class
• To call other methods within the class
• To define a static method

What is the difference between a class variable and an instance variable in Python?

• Class variables are shared by all instances of a class while instance variables are unique for each instance
• Class variables are unique for each instance while instance variables are shared by all instances of a class
• There is no difference between a class variable and an instance variable in Python
• Class variables and instance variables are different names for the same concept in Python

Which access modifier in Python allows a method to be accessed within the class and its subclasses?

• public
• private
• protected
• none

What is the benefit of using the super() function in a subclass?

• It allows to call methods of the superclass in the subclass
• It creates a new instance of the superclass
• It overrides the methods of the superclass
• It deletes the superclass

What is a subclass (child class) in Python inheritance?

• A class that is derived from another class
• A function within a class
• A method to create objects
• A way to encapsulate data

What will be the output of the following code snippet?

• SyntaxError, this program will not run

• 100

• 123

• None