Want to understand CPython deeper? Start with Byterun - this will lead you to good understanding of how Python interpreters work. Enjoy this read!
http://www.aosabook.org/en/500L/a-python-interpreter-written-in-python.html

Python 3.6.4 now available! https://www.python.org/downloads/release/python-364/

AsyncIO from the practical point of view - https://hackernoon.com/asyncio-for-the-working-python-developer-5c468e6e2e8e

This is a brief guide to metaclasses in python. Here you are, please enjoy:
https://blog.ionelmc.ro/2015/02/09/understanding-python-metaclasses/

Possibly, the most complete guide to python magic methods. Have a nice evening and a good read:
https://rszalski.github.io/magicmethods/

This is a little python style guide written for data scientists and non-programmers though it would be useful even for experienced developers
http://columbia-applied-data-science.github.io/pages/lowclass-python-style-guide.html

>>> def foo(x=[]):
...     x.append(42)
...     print x
...
>>> foo()
[42]
>>> foo()
[42, 42]
>>> foo()
[42, 42, 42]

...just remember this behavior of the mutable default arguments!

Watch this video and start your new application in a new, smarter way: https://www.youtube.com/watch?v=DJtef410XaM

Happy new year! Run this noscript:

"""
Bitwise Happy New Year 2018!
Coded by Kuba Siekierzyński (c) 2017

"""

k = [19297169, 19483217, 32469898, 19481092, 19481092, 0, 1145376, 1655328, 1405472, 1262240, 1145152, 0, 4580976, 4524360, 2740080, 1116496, 1173832, 0, 3245154, 4869266, 1201250, 2245776, 7970402]

for j in k:
    for i in range(25):
        print(chr(176 + bool(j & 2**(24-i)) * 43), end='\n'*(i//24))

A little guide to namespaces in Python - check it out, if you want to remind what’s the meaning of the LEGB abbreviation: http://sebastianraschka.com/Articles/2014_python_scope_and_namespaces.html

Wonderful Armin Ronacher explains more about unicode in Python 2 and Python 3 in this must-read article, please enjoy your evening reading!
http://lucumr.pocoo.org/2014/1/5/unicode-in-2-and-3/

Are you a machine learning professional? Here is the cheat sheet for you: https://blogs.sas.com/content/subconsciousmusings/2017/04/12/machine-learning-algorithm-use

Just a kind reminder about metaclasses for you:
http://jakevdp.github.io/blog/2012/12/01/a-primer-on-python-metaclasses/

A little guide on how to create packages by yourself in Python:
http://flask.pocoo.org/docs/0.12/patterns/distribute/

A must-read article on key differences between 2.7.x and 3.x versions of Python:
http://sebastianraschka.com/Articles/2014_python_2_3_key_diff.html

A Crash Course in Python for Scientists
Rick Muller, Sandia National Laboratories:
http://nbviewer.jupyter.org/gist/rpmuller/5920182

Sometimes Python will confuse you. Know why?
https://nedbatchelder.com//blog/201801/pythons_misleading_readability.html

A little cheatsheet on navigating in UNIX terminal CL:
https://clementc.github.io/blog/2018/01/25/moving_cli/

Overview one of the new feature that will be on board of Python 3.7:
https://hackernoon.com/a-brief-tour-of-python-3-7-data-classes-22ee5e046517

I never thought Microsoft would do that good for Python developers (and not only) until I tried VS Code with Microsoft Python plugin. It's just amazing. If you are a long time Sublime Text or PyCharm user - you definitely should try it. Here is the link: https://code.visualstudio.com/. It's free and extremely usable (despite it's built with Electron, ha-ha).