# http://timgolden.me.uk/python/
  https://book.diveintopython.org/toc/index.html
  https://riptutorial.com/tkinter/topic/6439/multiple-windows--toplevel-widgets-
  Publish: https://realpython.com/pypi-publish-python-package/
Black Hat Python, Web Scraping with Python
Automate the Boring Stuff with Python
Python Tricks

Widget: https://coderslegacy.com/python/list-of-tkinter-widgets/
Style map: https://www.pythontutorial.net/tkinter/ttk-style-map/
[ natsort ]
Ansible
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cffi, ctypes, cython, numpy, native libs, pypy
PyWinCtl
dnd2 https://github.com/TechDudie/tkinterDnD https://docs.python.org/3/library/tkinter.dnd.html
PySDL2

exec "try: some_problematic_thing()\nexcept: problem=sys.exc_info()"
print "The problem is %s" % problem[1]

Func: https://stackoverflow.com/questions/16625454/how-do-i-use-user-input-to-invoke-a-function-in-python/16625492#16625492