{
  description = "Python development environment with Jupyter";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05"; # используйте актуальную версию
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };
      in
      {
        devShells.default = pkgs.mkShell {
          buildInputs = [
            pkgs.python310
            pkgs.python310Packages.ipython
            pkgs.python310Packages.jupyterlab
            pkgs.git
          ];

          shellHook = ''
            echo "Welcome to your Python + Jupyter dev environment!"
          '';
        };
      }
    );
}