scip-python . . . shapes.py/Drawable#
scip-python . . . shapes.py/Drawable#draw().
scip-python . . . shapes.py/Shape#
scip-python . . . shapes.py/Shape#area().
scip-python . . . shapes.py/Sprite#
scip-python . . . shapes.py/Square#
scip-python . . . shapes.py/Square#area().
