diff --git a/core/functions.ipynb b/core/functions.ipynb
index 51518e1..f561e0c 100644
--- a/core/functions.ipynb
+++ b/core/functions.ipynb
@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:7302df53c9f267690231320dc5731929b2c6969b01ff3cfc482e4708b66f2162"
+  "signature": "sha256:30abd5815b8df97ae6609ad6bdd113fbea69dec8d048d60a6cb6e852cb6bafe6"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -547,7 +547,7 @@
        ]
       }
      ],
-     "prompt_number": 18
+     "prompt_number": 12
     },
     {
      "cell_type": "markdown",