minor edits on notes

notes/pyenv-install.md

@@ -1,46 +1,42 @@
-# pyenv install
+# pyenv installation
 
-## install
+## pyenv
 
-nice to have:
+1. Install pyenv
 
-```bash
-sudo apt install python-is-python3
-```
+    ```bash
+    curl https://pyenv.run | bash
+    ```
 
-```bash
-curl https://pyenv.run | bash
-```
+2. setup zsh
 
-## setup zsh
+    add the following to `.zshrc`:
 
-add the following to `.zshrc`:
+    ```bash
+    export PYENV_ROOT="$HOME/.pyenv"
+    [[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"
+    eval "$(pyenv init -)"
+    ```
 
-```bash
-export PYENV_ROOT="$HOME/.pyenv"
-[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"
-eval "$(pyenv init -)"
-```
+## python installation
 
-## pyenv install
+1. prerequisites
 
-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
+    ```
 
-```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
 
-install:
+    ```bash
+    # using python 3.12.7 as an example
+    pyenv install 3.12.7
 
-```bash
-# using python 3.12.7 as an example
-pyenv install 3.12.7
-
-# optional
-pyenv global 3.12.7
-pyenv versions
-```
+    # optional
+    pyenv global 3.12.7
+    pyenv versions
+    ```