chrpak, a Python code which handles characters and strings.
The information on this web page is distributed under the MIT license.
chrpak 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.
caesar, a Python code which can apply a Caesar Shift Cipher to a string of text.
columns, a Python code which copies columns clo:chi from a text file to a new text file.
file_name_sequence, a Python code which demonstrates ways to generate a sequence of filenames that can be used when generating images for an animation.
rot13, a Python code which can encipher a string using the ROT13 cipher for letters, and the ROT5 cipher for digits.