let 
	nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-25.05"; 
	pkgs = import nixpkgs {config = {}; overlays = [];};

in pkgs.mkShellNoCC {
	packages = with pkgs; [
		python313Full
		python313Packages.numpy
		python313Packages.matplotlib
	];
}