Changed the builtins module loading to use the module search path. This makes it
easier to run the test program from another location.
Added a note about relative imports.
1#!/usr/bin/env python 2 3a=1 4 5defbefore(): 6i=2 7whilei>0: 8b=a# right hand side name changes origin 9a=2 10i-=1 11returnb 12 13result1_1=before() 14 15# vim: tabstop=4 expandtab shiftwidth=4