That's the first thing I did and that is what makes this an impressive offering. The smoothness of the introduction is very well done and you can easily see ho

That's the first thing I did and that is what makes this an impressive offering. The smoothness of the introduction is very well done and you can easily see how it slowly introduces a novice, which you can easily skip as a more experienced dev because of how well it is structured. A difficult challenge which they've pulled off well.