OSX Mavericks uses Latest Ruby and Python
https://news.ycombinator.com/item?id=5862061The latest version of OSX (Mavericks) uses ruby 2.0.0-p195
$(home) - ruby -v
ruby 2.0.0p195 (2013-05-14 revision 40734) [universal.x86_64-darwin13]
$(home) - python --version
Python 2.7.3