# pyenv installation

## pyenv

1. Install pyenv

    ```bash
    curl https://pyenv.run | bash
    ```

2. setup zsh

    add the following to `.zshrc`:

    ```bash
    export PYENV_ROOT="$HOME/.pyenv"
    [[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"
    eval "$(pyenv init -)"
    ```

## python installation

1. prerequisites

    ```bash
    sudo apt update
    sudo apt install build-essential libssl-dev zlib1g-dev \
    libbz2-dev libreadline-dev libsqlite3-dev curl git \
    libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev \
    libffi-dev liblzma-dev python3-pip
    ```

2. install

    ```bash
    # using python 3.12.7 as an example
    pyenv install 3.12.7

    # optional
    pyenv global 3.12.7
    pyenv versions
    ```