mario, a Python code which creates a sort of "needlepoint" image of Mario, as an array of colored squares.
The information on this web page is distributed under the MIT license.
mario is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.
graphics_test, a Python code which illustrates how various kinds of data can be displayed and analyzed graphically.
pentominoes, a Python code which provides some utilities for manipulating pentominoes.