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Python Object Oriented Programming Basics

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Python Object Oriented Programming Basics

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Questions and Answers

What is the main emphasis of Object-Oriented Programming (OOP)?

Defining class methods
Supporting different programming approaches
Use of objects and their characteristics (correct)
Creating reusable code

Which of the following is NOT a characteristic of an object in OOP?

Age
Color
Size
Function (correct)

What does the concept of DRY (Don't Repeat Yourself) refer to in the context of OOP?

Using objects and their characteristics
Defining class methods
Supporting different programming approaches
Creating reusable code (correct)

How can a class be best described in the context of OOP?

A blueprint for the object (A) Signup and view all the answers

What is an object (instance) in the context of OOP?

An instantiation of a class (C) Signup and view all the answers

What type of method is bound to the class and not the instance of the class in OOP?

Class method (B) Signup and view all the answers

What is the purpose of the 'self' parameter in Python?

To refer to the object that is calling the method (B) Signup and view all the answers

What is the function of the init() method in Python?

It simulates the constructor of the class (A) Signup and view all the answers

What does a constructor do in Python?

Automatically executes when an object is created (A) Signup and view all the answers

What is the main purpose of inheritance in Python?

To provide code reusability to the program (A) Signup and view all the answers

Which principle of OOP allows objects to interact with each other using encapsulation, inheritance, polymorphism, and abstraction?

Encapsulation (D) Signup and view all the answers

What happens when a child class inherits properties from a parent class?

The child class can also provide its specific implementation to those properties (D) Signup and view all the answers

What is the primary function of the init() function in Python classes?

To initialize object properties or perform necessary operations when the object is created (C) Signup and view all the answers

Why does every class in Python need a constructor?

To initialize the instance members of the class, even if it relies on the default constructor (C) Signup and view all the answers

What happens when we create an object of a Python class?

The method init() initializes object properties (B) Signup and view all the answers

How does the 'self' parameter allow accessing attributes or methods of a Python class?

By referring to the object calling the method (C) Signup and view all the answers