homebrew python code example
Example 1: mac os install python 3
brew install python3
Example 2: brew install python 3.7
brew install python@3.7
Example 3: command to install python3.6 on mac os
$ brew install --ignore-dependencies https://raw.githubusercontent.com/Homebrew/homebrew-core/f2a764ef944b1080be64bd88dca9a1d80130c558/Formula/python.rb