Try your hands on AutoLISP coding. Dive straight away.
Code is on GitHub at the URL given in the first comment.
Source codes for all subsequent hands on practice tutorials will reside on separate branch of this repository.
You can use git command line utility for cloning just one branch.
Command for this is present in the first comment of this video.
This will add some more code , in the code used in previous video.
You will be adding another condition in the "cond" block , for counting points , apart from lines , polylines and circles.