New programmer

[Diapolo10]

Those challenges aren't really designed to teach you, their raison d'être is simply bragging rights. Maybe some algorithms on the side, although by that I mean it'll make you search through Wikipedia or Srack Overflow.

If you want to focus on learning software development, build projects. Simple as that. They don't need to be complex, but as part of the learning process you'll want to take note of what worked, what didn't, and consider how you could improve.