osx python 3 code example
Example 1: mac os install python 3
brew install python3Example 2: install python 3.4 mac terminal
$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"brew install python3$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"