Links

Coding Practice

• https://www.codewars.com/

• https://py.checkio.org/

• https://www.codingame.com/

Coding Katas

• https://codingdojo.org/kata/

• https://cyber-dojo.org/

• http://codekata.com/

• https://github.com/gamontal/awesome-katas

Online tools

• Replit

Other

• https://www.nand2tetris.org/ - supplemnetary site to the book The Elements of Computing Systems: Building a Modern Computer from First Principles