Edit: 2.7.2 from David above, straight from the horses mouth, so to speak.
Edit: Question. Why wouldn't it ship with the latest version of Python (2.7.3), since ArcGIS hasn't been officially released yet? Were the differences too minor?
Edit: Question. Why wouldn't it ship with the latest version of Python (2.7.3), since ArcGIS hasn't been officially released yet? Were the differences too minor?
Really just a matter of timing. Lock-down on ArcGIS 10.1 came before Python 2.7.3 had its final release.