Okay kiddo, do you know what a happy path is? It's like walking on a sidewalk that's straight and doesn't have any obstacles like rocks or big cracks. That makes it really easy to walk along, right?
Well, in computer programming, a happy path is a similar kind of thing - it's the simplest and easiest way for a computer program to run something. It's like following a recipe to make cookies, and everything works perfectly - you get all the ingredients and follow the steps, and end up with delicious cookies!
When programmers are testing their code, they often start with the happy path first to make sure everything is working like it should be. It's important to make sure that the program can handle everything happening the way it's supposed to, because if there's a mistake there, then it could cause bigger problems later on.
So, in short, a happy path is like the easiest and most straightforward way things can go in a computer program, and it's important to make sure that everything is working smoothly on that path before moving on to more complicated parts.