Python 2.7.11
Python Home 是 /Library/Frameworks/Python.framework/Versions/2.7/
python 指令是 /Library/Frameworks/Python.framework/Versions/2.7/bin/python
idle 指令是 /Library/Frameworks/Python.framework/Versions/2.7/bin/idle
easy_install 指令是 /Library/Frameworks/Python.framework/Versions/2.7/bin/easy_install
pip 指令是 /Library/Frameworks/Python.framework/Versions/2.7/bin/pip
pip 安裝套件的家目錄是 /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/
pip 安裝套件 virtualenv 後得到的 virtualenv 指令是 /Library/Frameworks/Python.framework/Versions/2.7/bin/virtualenv
pip freeze
virtualenv==15.0.1