set python to python3 mac code example

Example 1: mac os install python 3

brew install python3

Example 2: how to set default python version in macos

ln -s -f /usr/local/bin/python3.7 /usr/local/bin/python

Example 3: which python mac

$ brew update && brew upgrade python

Example 4: install python 3 on mac

$ brew install python3