{
  description = "A very basic flake";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };
        python-env = pkgs.python3.withPackages
          (ps: with ps; [ jupyter requests pandas matplotlib click ]);
      in {
        devShells.default = pkgs.mkShell { buildInputs = [ python-env ]; };
      });
}