Jeff's notes of things to mention in lectures related to Chapter 4 in
  https://automatetheboringstuff.com/2e/chapter4/

Link to this file (in the video description) -
  http://cs.indstate.edu/~jkinne/cs151-s2020/code/LECTURES/kinne_chapter4.txt

Link to files in this video -
  http://cs.indstate.edu/~jkinne/cs151-s2020
  and then click "In class code" on the left
  and then click LECTURES
  and then click kinne_chapter4

These videos introduce the most important concepts in Chapter 3.  Read the chapter for more that is not covered in the videos.
* Vocab/concepts - index, slice, immutable, reference, list versus array
* Keywords - in, del
* Functions - len, dir, help
* List methods - append, remove


-- Video 1 --
* Lists - a bunch of things with one name
* Playing with lists in Python shell, what will happen?
* Concepts - index starts counting at 0, slice, method, reference
* Keywords - in, del
* List methods - remove, append
* Functions - dir, help