Here we look into creating subroutines and re-useable code.
While we primarily use IDLE for our current IDE, there are many more available and some even online that you are free to try out.
A very cool online tool that can show your code running line by line to help debugging is: http://www.pythontutor.com/visualize.html#mode=edit
However, all submitted code must work in IDLE.
Student recommended regarding "Return":