Diagram.py: add some example calls to test drawing rectangles
-rw-r--r-- 6 .gitignore
-rwxr-xr-x 9493 Diagram.py
-rw-r--r-- 164 Makefile
-rwxr-xr-x 10634 RadialSymmetry.py
-rwxr-xr-x 4716 RadialSymmetryDiagram.py
-rw-r--r-- 59 TODO