add python tutorial for nix-shell

Author: Lassulus

README.md

@@ -1,7 +1,10 @@
-# nix-shell workshop 
+# nix-shell workshop
 
 ## normal c programs
 ## go programs
 ## qt programs
 ## perl
 ## python
+enter environment by typing `nix-shell` in ./python-program
+run simpleCurl by running `python simpleCurl http://test.de`
+it will output the html of http://test.de

python-program/default.nix

@@ -0,0 +1,12 @@
+let
+  pkgs = import <nixpkgs> {};
+  stdenv = pkgs.stdenv;
+
+in stdenv.mkDerivation {
+  name = "simpleCurl-env";
+
+  buildInputs = with pkgs; [
+    python2
+    python2Packages.mechanize
+  ];
+}

python-program/simpleCurl.py

@@ -0,0 +1,6 @@
+import mechanize
+import sys
+
+br = mechanize.Browser()
+r = br.open(sys.argv[1])
+print r.read()