Various shapes inheriting from Shape.
Various employee 5EB0 types inheriting from Employee.
Product and Inventory classes.
Flower and Bouquet objects along with selling, adding, and keeping track of reordering.
Various account types inheriting from Account.
Messing around with a long chain of inherited classes, from "Animalia" to "Lampropeltis."
04/17/2015: Some code cleanup with help from pylint 04/01/2015: Better class designs on most, Python 3.4 and Python 2.7 support on all