This post is mostly directed to Michael and Elim but here are some useful links I’ve found:
For understanding python syntax: https://twiki.cern.ch/twiki/bin/viewauth/CMS/SWGuideAboutPythonConfigFile
For CMSSW cross-reference: http://cmslxr.fnal.gov/lxr/
Tutorials: https://twiki.cern.ch/twiki/bin/view/CMS/WorkBook
Let me know if you find any other good sites,
Ashley