Use via either:

  sage: import bordered

or

  sage: from bordered import *

provided you do one of the following.

(a) Start Sage in this directory.  

(b) Install bordered into the central Sage module repository via 

  sage -python setup.py install

at the command line.  

(c) Add this directory (*not* its subdirectory bordered) to your Python module search path via 

sage: sys.path.append('full_path_to_this_directory')

