Learn how to use Trinket: https://hourofpython.com/
More AWESOME resources! https://www.raspberrypi.org/resources/learn/
just heard about tkinter in a workshop: https://docs.python.org/2/library/tkinter.html
Project Ideas
https://codeclubprojects.org/en-GB/raspberry-pi/
https://lifehacker.com/top-10-raspberry-pi-projects-for-beginners-1791002723
http://www.instructables.com/id/Raspberry-Pi-Projects/
https://www.electronicshub.org/raspberry-pi-projects/
http://www.itpro.co.uk/mobile/21862/raspberry-pi-top-31-projects-to-try-yourself-1
Tutorials
https://pythonprogramming.net/introduction-raspberry-pi-tutorials/
http://www.circuitbasics.com/how-to-write-and-run-a-python-program-on-the-raspberry-pi/
http://www.circuitbasics.com/raspberry-pi/