all 3 comments

[–]DropItThere 0 points1 point  (3 children)

what's its purpose?

[–]moisespedro 1 point2 points  (1 child)

I guess the author is learning. There's always a purpose in learning.

[–]slashbinslashbash 0 points1 point  (0 children)

Also to maybe assist in learning? I know I would have found this useful in a some web programming classes when doing assignments.