004 Floating-point-numbers
https://www.youtube.com/watch?v=PZRI1IfStY0

007 Exercise-Repl
https://repl.it/@aneagoie/Operator-Precedence

008 Exercise-Repl
https://repl.it/@aneagoie/Operator-Precedence

009 Base-Numbers
https://www.geeksforgeeks.org/python-int-function/

010 Python-Keywords
https://www.w3schools.com/python/python_ref_keywords.asp

012 Exercise-Repl
https://repl.it/@aneagoie/Augmented-Assignment-Operator

017 Exercise-Repl
https://repl.it/@aneagoie/string-formatting#main.py

018 Exercise-Repl
https://repl.it/@aneagoie/string-indexes

020 Built-In-Functions
https://docs.python.org/3/library/functions.html

020 String-Methods
https://www.w3schools.com/python/python_ref_string.asp

023 Python-Comments-Best-Practices
https://realpython.com/python-comments-guide/

026 Exercise-Repl
https://repl.it/@aneagoie/lists

027 Exercise-Repl
https://repl.it/@aneagoie/matrix

028 List-Methods
https://www.w3schools.com/python/python_ref_list.asp

029 Exercise-Repl
https://repl.it/@aneagoie/lists-2#main.py

029 Python-Keywords
https://www.w3schools.com/python/python_ref_keywords.asp

031 Exercise-Repl
https://repl.it/@aneagoie/lists-3

037 Dictionary-Methods
https://www.w3schools.com/python/python_ref_dictionary.asp

038 Exercise-Repl
https://repl.it/@aneagoie/dictionary

040 Tuple-Methods
https://www.w3schools.com/python/python_ref_tuple.asp

042 Sets-Methods
https://www.w3schools.com/python/python_ref_set.asp

042 Exercise-Repl
https://repl.it/@aneagoie/sets

046 Truthy-vs-Falsey-Stackoverflow
https://stackoverflow.com/questions/39983695/what-is-truthy-and-falsy-how-is-it-different-from-true-and-false

054 Solution-Repl
https://repl.it/@aneagoie/loops

060 Exercise-Repl
https://repl.it/@aneagoie/GUI-exercise

060 Solution-Repl
https://repl.it/@aneagoie/GUI-solution

062 Solution-Repl
https://repl.it/@aneagoie/Find-Duplicates

071 Solution-Repl
https://repl.it/@aneagoie/highest-even-solution

075 Solution-Repl
https://repl.it/@aneagoie/nonlocal