The While Loop

Introduction

In order to execute the same expressions multiple times, we create loops.

Think of a loop like the song “Around the world, around the wo-orld. Around the world, around the wo-orld…”. You get the idea. Take a melody, repeat it a hundred times, and you get the song. In programming terms, take some code, repeat it x amount of times, and you get code executed a hundred times.

Let’s create a function that sums the values of an array: