The Ostap tutorials 
Ostap is a set of extensions/decorators and utilities over the basic PyROOT functionality (python wrapper for ROOT framework). These utilities greatly simplify the interactive manipulations with ROOT classes through python. The main ingredients of Ostap are
- preconfigured ipython script
ostap, that can be invoked from the command line. - decoration of the basic
ROOTobjects, like histograms, graphs etc.- operations and operators
- iteration, element access, etc
- extended functionality
- decoration of many basic
ROOT.RooFitobjects - set of new useful fit models, components and operations
- other useful analysis utilities