For his textbook "Python Programming: An Introduction to Computer Science" (Franklin, Beedle & Associations), ISBN 978-1590282755 John Zelle created a simple graphics library. Since Java is used by so ...

In most of the practices, you can use the keys "A," "D," "S," "W" to move, "Q" and "E" to rotate, "F" and "G" to scale it (in some exercises), and the arrow keys as well as "1" and "2" for other ...