Difficulty: If you can't do it, you probably can't program at all ;')
In this challenge, we are gonna take a closer look at programming on paper.
It sometimes help just to draw a little graphic about the code.
Programm a programm, wich fills up an array: Draw a little sketch about the filling of the array...
Extensions:
E1: Write a whole programm on paper. YASS, YOU CAN DO IT, IT ISN'T THAT HARD! JUST DO IT!
E2: Go to some random github-page and transfer one function out of the code onto paper
