updated some video to m4v

Author: DOSull

video-links.md

@@ -15,48 +15,48 @@ The sound on these is not great, I'm afraid.
 Better sound on these but a bit chaotic at times with juggling people remote on zoom and people in the room!
 
 ### Slides about functions
-+   [Introduction and expanding the language](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-1.mp4)
-+   [Defining your own](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-2.mp4)
-+   [Building blocks of complex programs](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-3.mp4)
-+   [Oops... brief coda about parameters and arguments](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-4.mp4)
++   [Introduction and expanding the language](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-1.m4v)
++   [Defining your own](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-2.m4v)
++   [Building blocks of complex programs](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-3.m4v)
++   [Oops... brief coda about parameters and arguments](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-4.m4v)
 
 ### Slides about conditionals
-+   [Conditionals and the flow of program execution](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-5.mp4)
-+   [Boolean expressions with `True` and `False` and `and`, `or` and `not`](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-6.mp4)
-+   [Evaluation of Boolean expressions](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-7.mp4)
-+   [`if` and `else`](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-8.mp4)
++   [Conditionals and the flow of program execution](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-5.m4v)
++   [Boolean expressions with `True` and `False` and `and`, `or` and `not`](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-6.m4v)
++   [Evaluation of Boolean expressions](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-7.m4v)
++   [`if` and `else`](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-8.m4v)
 
 ### Notebooks
 Unfortunately the segment about the `geopandas` notebooks got recorded over zoom remote attendee avatars, not a view of the screen, so you'll have to figure that part out for yourself (ask in the slack!). The useful video we did capture is below:
 
-+   [Quick introduction to notebooks](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-9.mp4)
-+   [Overview of the functions and conditionals notebooks](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-10.mp4)
-+   [Overview of the assignment](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-11.mp4)
++   [Quick introduction to notebooks](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-9.m4v)
++   [Overview of the functions and conditionals notebooks](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-10.m4v)
++   [Overview of the assignment](https://southosullivan.com/gisc420/videos/functions-and-conditionals/GISC-420-02-2021-11.m4v)
 
 ***
 ## Week 3 Iteration and sequences
 ### Introduction
-+ [Overview comments](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-01.mp4)
++ [Overview comments](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-01.m4v)
 ### Iteration
-+ [`while` loops](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-02.mp4)
-+ [`for` loops](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-03.mp4)
-+ [Iteration notebook](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-04.mp4)
++ [`while` loops](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-02.m4v)
++ [`for` loops](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-03.m4v)
++ [Iteration notebook](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-04.m4v)
 
 ### Sequences
-+ [Sequences, introducing `string`s and `list`s](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-05.mp4)
-+ [Slicing sequences](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-06.mp4)
-+ [`string` methods](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-07.mp4)
-+ [`list` methods](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-08.mp4)
-+ [Immutable `string`s, mutable `lists`](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-09.mp4)
-+ [Sequences notebooks](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-10.mp4)
++ [Sequences, introducing `string`s and `list`s](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-05.m4v)
++ [Slicing sequences](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-06.m4v)
++ [`string` methods](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-07.m4v)
++ [`list` methods](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-08.m4v)
++ [Immutable `string`s, mutable `lists`](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-09.m4v)
++ [Sequences notebooks](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-10.m4v)
 
 ### The `hangman` program
-+ [Playing `hangman`](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-11.mp4)
-+ [Overview of the `hangman` code](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-12.mp4)
++ [Playing `hangman`](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-11.m4v)
++ [Overview of the `hangman` code](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-12.m4v)
 
 ### Overview of ASSIGNMENT 2
-+ [The overall goal and the provided code](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-13.mp4)
-+ [The assignment itself](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-14.mp4)
++ [The overall goal and the provided code](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-13.m4v)
++ [The assignment itself](https://southosullivan.com/gisc420/videos/strings-lists-loops/GISC-420-03-2021-14.m4v)
 
 ***
 ## Week 4 Dictionaries and data decoding
@@ -90,30 +90,30 @@ Again, these were recorded in 2020.
 ## Week 8 Web scraping
 New! For 2021...
 ### HTML and the web
-+ [The web in general](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-01.mp4) (6:03)
-+ [A simple web page](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-02.mp4) (8:31)
-+ [A more complicated web page](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-03.mp4) (5:38)
-+ [Summing all that up](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-04.mp4) (5:00)
-+ [Query parameters in a URL](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-05.mp4) (1:59)
++ [The web in general](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-01.m4v) (6:03)
++ [A simple web page](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-02.m4v) (8:31)
++ [A more complicated web page](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-03.m4v) (5:38)
++ [Summing all that up](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-04.m4v) (5:00)
++ [Query parameters in a URL](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-05.m4v) (1:59)
 
 ### Browser developer tools
-+ [Way more complicated and browser developer tools](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-06.mp4) (6:51)
++ [Way more complicated and browser developer tools](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-06.m4v) (6:51)
 
 ### Grabbing data and APIs
-+ [Grabbing the AED locations data](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-07.mp4) (11:01)
-+ [APIs and why web scraping](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-08.mp4) (8:11)
++ [Grabbing the AED locations data](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-07.m4v) (11:01)
++ [APIs and why web scraping](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-08.m4v) (8:11)
 
 ### Web scraping
-+ [The DOM](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-09.mp4) (4:45)
-+ [Introducing `BeautifulSoup4`](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-10.mp4) (8:10)
-+ [Grabbing the data](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-11.mp4) (7:13)
-+ [Making a scraper](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-12.mp4) (5:13)
++ [The DOM](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-09.m4v) (4:45)
++ [Introducing `BeautifulSoup4`](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-10.m4v) (8:10)
++ [Grabbing the data](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-11.m4v) (7:13)
++ [Making a scraper](http://southosullivan.com/gisc420/videos/web-scraping/gisc-420-08-12.m4v) (5:13)
 
 ***
 ## Week 9 Automating GIS with python
 Some glitches at the start with getting that WFS layer into Q. And the sound is only OK, I'm afraid...
 ### The python console and `pyqgis`
-+ [The python console in QGIS and `pyqgis` the horror, the horror](http://southosullivan.com/gisc420/videos/pyqgis/GISC-420-09-01.mp4) (7:51)
++ [The python console in QGIS and `pyqgis` the horror, the horror](http://southosullivan.com/gisc420/videos/pyqgis/GISC-420-09-01.m4v) (7:51)
 + [Doing some odds and ends in the console](http://southosullivan.com/gisc420/videos/pyqgis/GISC-420-09-02.mp4) (6:35)
 + [There is also an editor available... and why `pyqgis` is not very 'pythonic'](http://southosullivan.com/gisc420/videos/pyqgis/GISC-420-09-03.mp4) (6:52)