shell $ brew install pyenv shell shell $ git clone https://github.com/pyenv/pyenv.git ~/.pyenv $ echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc $ echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc $ echo 'eval "$(pyenv init --path)"' >> ~/.bashrc shell $ git clone https://github.com/pyenv-win/pyenv-win.git $HOME/.pyenv $ echo 'export PYENV_ROOT=$HOME/.pyenv' >> ~/.bashrc $ echo 'export PATH=$PYENV_ROOT/bin:$PATH' >> ~/.bashrc $ echo -e 'if command -v pyenv 1>/dev/null 2>&1; then eval "$(pyenv init --path)" fi' >> ~/.bashrc shell $ pyenv install 3.9.1 shell $ pyenv global 3.9.1 shell $ pyenv local 3.8.6 shell $ pyenv versions shell $ pyenv uninstall 3.8.6 shell $ echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc $ echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc $ echo 'eval "$(pyenv init --path)"' >> ~/.bashrc