Python for OOP - The A to Z OOP Python Programming Course - Dunder Methods or Magic Methods

The video tutorial covers dunder methods, also known as magic methods, in Python. It explains how to use __str__ and __repr__ methods to print object attributes instead of memory locations. The tutorial provides practical examples and compares the two methods, highlighting their use cases for users and developers. The video concludes with a summary of the key points discussed.

What is the primary purpose of dunder methods in Python?

• To create private variables

• To define custom behavior for operators

• To manage memory allocation

• To handle exceptions

How does Python typically display an object when printed without a custom method?

• As a list of attributes

• As a JSON object

• As a formatted string

• As a memory location

What is the correct syntax for defining a dunder method?

• _method_

• method__

• __method

• _method

• __method__

Which dunder method is typically used to provide a user-friendly string representation of an object?

• __init__

• __str__

• __del__

• __repr__

What is the main difference between __str__ and __repr__ methods?

• __str__ is for developers, __repr__ is for users

• __str__ is for error handling, __repr__ is for debugging

• __str__ is for users, __repr__ is for developers

• __str__ is for memory management, __repr__ is for formatting

When should you use the __repr__ method?

• When you want to delete an object

• When you need to initialize an object

• When you want to provide a detailed representation for developers

• When you want to display a string to end-users

What is a common convention for using __str__ and __repr__ methods?

• Use __str__ for debugging and __repr__ for logging

• Use __str__ for memory management and __repr__ for error handling

• Use __str__ for user-friendly output and __repr__ for developer-oriented output

• Use __str__ for logging and __repr__ for debugging