brew install pyenv
pyenv install 3.9.4
pyenv global 3.9.4
pyenv version
echo -e 'if command -v pyenv 1>/dev/null 2>&1; then\n eval "$(pyenv init -)"\nfi' >> ~/.zshrc
exec "$SHELL"
brew install pipx
pipx ensurepath
pipx install virtualenv
virtualenv <env>
source .<env>/bin/activate