Understand Encapsulation in OOP | Lecture 18 | Python Course for Beginners
Welcome to Lecture 18 of our "Python for Beginners" series! In this video, we dive deep into the concept of Encapsulation in Object-Oriented Programming (OOP). Encapsulation is a fundamental principle that helps us protect the internal state of an object and restrict access to it from outside code. We'll start with definitions and operations, then move on to some engaging coding activities to solidify your understanding.
Topics Covered:
What is Encapsulation?
How Encapsulation works in Python
Implementing Encapsulation with examples
Coding activities to practice Encapsulation
*Practice Questions:
1-Create a class Employee with private attributes _id and _salary. Add methods to set and get these attributes.
2-Create a class BankAccount with a private attribute _balance. Add methods to deposit and withdraw money, ensuring the balance cannot be negative.
3-Write a class Student with private attributes _name and _grade. Implement methods to set and get these attributes.
4-Develop a class Car with a private attribute _fuel_level. Add methods to refuel and drive the car, ensuring the fuel level cannot exceed the tank capacity or drop below zero.
5-Create a class Book with private attributes _title and _author. Implement methods to set and get these attributes, ensuring they cannot be modified directly.
*Quiz Question:
Which of the following is a key benefit of using encapsulation in Python?
a) It increases the complexity of code.
b) It allows for direct access to class attributes.
c) It protects the internal state of an object.
d) It makes code less modular.
Answer the quiz question in the comments below!
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