Install python@2 on Mac with M1 chip

I could install 2.7.18 on M1.

brew install pyenv
pyenv install 2.7.18

Set the python version.

pyenv global 2.7.18

Export PATH if necessary.

export PATH="$(pyenv root)/shims:${PATH}"

Add if necessary.:

echo 'PATH=$(pyenv root)/shims:$PATH' >> ~/.zshrc