functional programming - ibrahimrifats/Back-End-development GitHub Wiki

Title: Introduction to Functional Programming

Overview

Functional programming is a programming paradigm that uses a different approach than other models, such as object-oriented programming. It excels at processing large amounts of data efficiently and quickly. In this note, we'll introduce you to functional programming and explore its core concepts and benefits.

Understanding Functional Programming

In this video, you'll get an introduction to functional programming. It focuses on functions, which take input, process it, and produce outputs. There are two types of functions: traditional and pure. We'll list the differences between them and understand the key characteristics of pure functions.

Advantages of Functional Programming

In this section, we'll learn about the main advantages of functional programming. One of the key principles is that functions should not change data outside their scope. Instead, they should return the result without modifying the input data. The code in functional programming is designed to be clean, elegant, and independent.

Functions in Python

Here, we'll explore how functions are treated in Python. Functions in Python are known as first-class citizens, which means they can be assigned to variables, passed as arguments, or returned to callers. We'll see examples of built-in functions like sorted() and how they can be used to perform tasks efficiently.

Creating Custom Functions

Now, we'll learn how to create our own functions in Python. We'll take a simple example of reversing the names of coffees. Although this might not have a practical use, it showcases the power of functional programming. We'll create a custom reverse() function and demonstrate how to use it with the map() function.

In this note, you've been introduced to the world of functional programming and learned about built-in functions in Python. Functional programming offers clean and maintainable code that is reusable and saves development time.

Keep exploring the world of functional programming to unlock its full potential in your projects!