Here is the video link that we discuss the solutions:
https://youtube.com/playlist?list=PLOTL5xk-ttHgrOQwzxmUbo3PuX3IdTHG4
. . .
You can find both the question links and the solution links at the first page of the presentation.
You need to download the presentation to be able to click the links in the first page.
Solutions are also provided as .py files in this repo.