change defualt python from ptyhon 2 to 3 mac os code example
Example 1: how to set default python version in macos
ln -s -f /usr/local/bin/python3.7 /usr/local/bin/python
Example 2: set python 3 as default mac
[ -e ~/.profile ] && . ~/.profile
ln -s -f /usr/local/bin/python3.7 /usr/local/bin/python
[ -e ~/.profile ] && . ~/.profile