> Of course, this involves a fair amount of thinking, and the basic loop is nested fractally inside itself many times as you focus on everything from variable n

> Of course, this involves a fair amount of thinking, and the basic loop is nested fractally inside itself many times as you focus on everything from variable naming to long-term delivery, but anyone who comes up with something bigger or more complex is just trying to sell you something. Basically, the process is recursive, but my explanation is more agile.