https://mdecp2018.github.io/finalproject-bgx
https://python-textbok.readthedocs.io/en/1.0/Object_Oriented_Programming.html
https://www.djangoproject.com/
http://loup-vaillant.fr/tutorials/earley-parsing/
https://tomassetti.me/parsing-in-python/ (pdf)
https://github.com/lark-parser/lark (erezsh_lark.pdf)
https://medium.com/100-days-of-algorithms (https://medium.com/@tomas.bouda )
https://en.wikipedia.org/wiki/JavaScript