Learn LUA by playing a game!
I don't know if this works but, I did like 27 "levels" kinda stays on the same thing for too long but if you new I guess you could try it
codecomba*****m
Now yes, It does cost 9.99$ but wait! You can get it for free if you're a teacher :^) so just SE them, it was pretty easy.
http://i.imgur.com/9g41iNv.png
GL learning!