macOS how to install python3
macOS & Python 3.7.2
https://www.python.org/downloads/mac-osx/
https://www.python.org/downloads/release/python-372/
https://www.python.org/ftp/python/3.7.2/python-3.7.2-macosx10.9.pkg
brew
https://wsvincent.com/install-python3-mac/
$ python --version
# Python 2.7.15
$ python3 --version
# not found
Last login: Wed Jan 30 09:41:29 on console
➜ ~ python --version
Python 2.7.10
➜ ~ py3
zsh: command not found: py3
➜ ~ python3
zsh: command not found: python3
➜ ~
$ sudo xcode-select -switch /Applications/Xcode.app
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