[HELP] How to code in lua or c#?

Hello, i need help to learn lua and c#. What is the best way to learn that program lenguage for script in fivem?

http://docs.fivem.net/scripting-manual/
http://docs.fivem.net/scripting-reference/
https://runtime.fivem.net/doc/natives/

Should get you up to speed, if there are any specific topics you need help with, you can always ask on the forums.