FWIW, there has long been another Python skiplist recipe at: http://code.activestate.com/recipes/576930/ http://code.activestate.com/recipes/576930/ and it is

FWIW, there has long been another Python skiplist recipe at: http://code.activestate.com/recipes/576930/ http://code.activestate.com/recipes/576930/ and it is indexable as well. It is under an MIT license and runs great under PyPy.