MARIO, a Python program which creates a sort of "needlepoint" image of Mario, as an array of colored squares.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
MARIO is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.
GRAPHICS_EXAMPLES, Python programs which illustrate how various kinds of data can be displayed and analyzed graphically.
PENTOMINOES, a Python library which provides some utilities for manipulating pentominoes.
You can go up one level to the Python source codes.