notebooks do curso http://nbviewer.jupyter.org/github/jmportilla/Complete-Python-Bootcamp/tree/master/ python 2 and 5 differences http://sebastianraschka.com/Articles/2014_python_2_3_key_diff.html jupyter notebook guide https://jupyter.brynmawr.edu/services/public/dblank/Jupyter%20Notebook%20Users%20Manual.ipynb print .format https://pyformat.info/