{
  description = "picoGym Practice Challenges";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
  };

  outputs = {
    self,
    nixpkgs,
  }: let
    system = "x86_64-linux";
    pkgs = nixpkgs.legacyPackages.${system};
  in {
    formatter.${system} = pkgs.alejandra;

    devShells.${system}.default = pkgs.mkShellNoCC {
      packages = with pkgs; [python3];
    };
  };
}