POO

Python :

http://www.voidspace.org.uk/python/articles/oop_francais.shtml

https://openclassrooms.com/courses/decouvrez-la-programmation-orientee-objet-avec-python

https://openclassrooms.com/courses/apprenez-a-programmer-en-python/premiere-approche-des-classes


Classement des langages :

http://geekmeup.fr/les-20-langages-de-programmation-les-plus-populaires/