Written by Eric Roberts and Mehran Sahami
Suppose that you've been hired to produce a program that draws an image of an archery target that looks like this:
This figure is simply three GOval objects, two red and one white, drawn in the correct order. The outer circle should have a radius of 150 pixels, the white circle has a radius of 100 pixels, and the inner red circle has a radius of 50 pixels. The figure should be centered in the window.