{ description = "Advent of Code 2024"; inputs = { nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05"; }; outputs = { nixpkgs, ... }: let pkgs = import nixpkgs { system = "x86_64-linux"; }; in { devShells.x86_64-linux.default = pkgs.mkShell { packages = with pkgs; [ python313 python313Packages.venvShellHook ]; venvDir = "./.venv"; postVenvCreation = '' pip install --editable . ''; }; }; }