Mac下升级Python至新版本

1.下载python最新版本 

　链接：https://www.python.org/downloads/mac-osx/

安装默认位置为： /Library/Frameworks/Python.framework/Versions/3.5/  

2.打开终端，修改~/.bash_profile文件

代码如下：
#  Setting  PATH  for  Python  3.6
#  The  original  version  is  saved  in  . bash_profile . pysave
PATH = "/Library/Frameworks/Python.framework/Versions/3.6/bin:${PATH}"
export  PATH

alias  python = "/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6"

 

3.重启终端或执行

source  ~/. bash_profile

转自：https://www.cnblogs.com/lizhipengvvip/p/7644667.html