Added a basic debug example
Added a basic debug example

debug.py
* added a simple debug script example
* added a docstring for user convenience
* checked whitespace

hendiol/pypreprocessor,sylvandb/pypreprocessor,assarbad/pypreprocessor,evanplaice/pypreprocessor,nanonyme/pypreprocessor,mrjimenez/pypreprocessor,zaxebo1/pypreprocessor