Courses

http://www.pythonchallenge.com/

https://proglib.io/p/some-advice-for-newbie/

https://www.codeavengers.com/

https://codecombat.com/

http://www.programmr.com/

https://tproger.ru/digest/learn-to-code-while-playing-games/

http://datacamp.com

http://codecademy.com

https://sololearn.com