002 Flask-Package-on-PyPi
https://pypi.org/project/Flask/

002 Flask-Quickstart-Docs
https://flask.palletsprojects.com/en/3.0.x/quickstart/

003 Windows-Command-Prompt-Cheat-Sheet
http://www.cs.columbia.edu/~sedwards/classes/2015/1102-fall/Command%20Prompt%20Cheatsheet.pdf

003 Mac-Linux-Terminal-Cheat-Sheet
https://github.com/appbrewery/terminal-mac-cheatsheet

004 Python-Built-In-Attributes-e.g.name-
https://docs.python.org/3/library/stdtypes.html?highlight=__name__#special-attributes

004 What-is-main-
https://docs.python.org/3/library/__main__.html

005 Python-Decorators-Repl.it-Code
https://repl.it/@appbrewery/python-decorators#main.py

005 Visualising-Nested-Function-Return-on-PythonTutor
http://www.pythontutor.com/visualize.html#mode=display

006 Interactive-Coding-Exercise-Day-54.1-Decorators
https://repl.it/@appbrewery/day-54-1-exercise#main.py

007 Exercise-35
https://app.auditorium.ai/lesson/eelyNMYJKXeNJAbjssSEQz0m88XvnhX6/0bdee66a-f2df-4f48-aa07-353ee53a88c5

007 How-to-join-Auditorium
https://www.udemy.com/course/100-days-of-code/learn/lecture/40109984