Code Challenges?

Question

Apparently, there is a way to do a coding challenge but I don't know how.
:(

Answer 1

You can challenge AI and real people on

www.codefights.com

Answer 2

You mean on SoloLearn? You can only do it from your mobile device. There is a lightning icon on your home screen, tap on that, then on the plus sign, after that choose your weapon (html, javascript, python etc.), then you can select your opponent (or a random one). then you answer the questions and see who wins. Good luck!

Answer 3

www.codechef.com

Answer 4

You can find a process on your computer and automate it using a program. I think that is challenging enough