Please what is xp points and how do you get it

Question

I tried the HTML and at a place it said not enough xp points

Answer 1

XP are gain through completing lessons, winning challenges, earning badges, getting Best Answer Mark in Q&A and upvotes, writing codes and getting upvotes, daily login streak bonus, and more.

Answer 2

Xp are points which can get by doing challenges or learning more programming languages. also you will achieve silver gold bronze platinum by this.

Answer 3

Thanks very much