After I learned from sololearn where should I go next?

Question

I don't know any other free places or paid places that are good enough

Answer 1

I think you have got a hold of the basics so it's time to practice now. Here are the links for some of the popular ones:
• https://www.hackerrank.com/
• https://www.codingame.com/
• https://www.topcoder.com/challenges/?pageIndex=1
• https://coderbyte.com/
• https://projecteuler.net/
• https://www.codechef.com/
• https://www.codeeval.com/
• https://www.codewars.com/
• https://leetcode.com/
• http://www.spoj.com/

Good Luck!