Link
https://automatetheboringstuff.com/
What is it?
Automate the Boring stuff by Al Sweigart is a book available for purchase as hard copy and online via a CC license. It teaches Python (Python 3) skills from scratch using concrete use cases such as searching for text across multiple files, updating files and folders or splitting and merging PDFs.
Who is it for?
Like it says in the title ... it's for "total beginners" to Python 
Link
https://programminghistorian.org/
What is it?
The Programming Historian is a collection of peer reviewed, open source tutorials.
The tutorials do not teach you how to code from scratch, but instead use a (digital humanities) problem / question as a starting point and show how it can be solved using technologies such as Python or R. Examples for tutorials are:
Lessons are available in different languages:
English (101 lessons), Spanish (59 lessons), French (25 lessons), Portugese (42 lessons).
Who is it for?
Main traget group is reearches / librarians / archivists already working in the field of digital humanities and either with concrete platforms / data on their hands or wanting to find out more about them. Each lesson contains a "difficulty" ranking as well as a brief section on requirements to check if it's something you're up for.