Python
CheckIO
An online game to practice Python.
Resolve interesting mathematical puzzles.
Web Site
Google Edu
Google Edu resources for python and C++.
Web Site
Programr
Learn processing, Python, ruby at your own pace.
Web Site
CheckIO
An online game to practice Python.
Resolve interesting mathematical puzzles.
Web Site
CodeCademy
Learn language basics and some APIs for the web (HTML5, CSS3, Ruby, JS, Python, Php...).
You'll use an online console here to do that.
Web Site