Welcome back! In this lesson, we will dive into another powerful feature of Redis: Publish/Subscribe (Pub/Sub) messaging. This topic builds on our understanding of Redis and introduces a dynamic way to enable real-time communication within your applications.

In this lesson, you will learn how to set up and use Redis Pub/Sub messaging to send and receive messages between different parts of your application. This is useful for creating real-time features like notifications, chat systems, or live updates.

Here's a sneak peek at how you can set up a simple Pub/Sub system in Redis:

Let's break down the code snippet above:

• Two Redis clients are created: one for publishing messages and one for subscribing to channels.