Maps and Mazes in Python

https://29a.ch/2009/9/7/generating-maps-mazes-with-python

The Python code runs without error, but does not print anything.

It gives me a starting point, which is all I wanted anyway.

Edit: Figured it out.  He enters arguments when he runs the script from the command line.  Not how I would do it, especially without comments.  Good because I learned about sys.argv, which I should have known about already.