<mac>環境架設

1. python多版本設定   

http://blog.youkuaiyun.com/lijiang1991/article/details/51830978

Q1:  can't find bash_profile

http://blog.youkuaiyun.com/edai9508/article/details/6006269

Q2:  zipimport.ZipImportError: can't decompress data; zlib not available

https://github.com/yyuu/pyenv/issues/454