[Tutor] seeking beginners tutorial for async

[bob gailer]

I have yet to find a tutorial that helps me understand and apply async!

The ones I have found are either incomplete, or they wrap some other 
service, or they are immediately so complex that I have no hope of 
understanding them.

I did find a useful javascript tutorial at 
https://javascript.info/promise-basics, but trying to map it to python 
is very frustrating.

The python docs also do not help.

Can you point me to any resources that are actually useful to a beginner?

Bob Gailer

guru of many languages including Python ( up till now!)