diff --git a/.ipynb_checkpoints/Copycat-checkpoint.ipynb b/.ipynb_checkpoints/Copycat-checkpoint.ipynb
new file mode 100644
index 0000000..2fd6442
--- /dev/null
+++ b/.ipynb_checkpoints/Copycat-checkpoint.ipynb
@@ -0,0 +1,6 @@
+{
+ "cells": [],
+ "metadata": {},
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/Copycat.ipynb b/Copycat.ipynb
new file mode 100644
index 0000000..2225b63
--- /dev/null
+++ b/Copycat.ipynb
@@ -0,0 +1,81 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Copycat \n",
+    "\n",
+    "Just type your copycat example, and the number of iterations."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Answered iijjkl (time 1374, final temperature 13.5)\n",
+      "Answered iijjll (time 665, final temperature 19.6)\n",
+      "Answered iijjll (time 406, final temperature 16.6)\n",
+      "Answered iijjkl (time 379, final temperature 47.9)\n",
+      "Answered iijjll (time 556, final temperature 19.2)\n",
+      "Answered iijjkl (time 813, final temperature 42.8)\n",
+      "Answered iijjll (time 934, final temperature 15.5)\n",
+      "Answered iijjkl (time 1050, final temperature 49.5)\n",
+      "Answered iijjkl (time 700, final temperature 44.0)\n",
+      "Answered iijjkl (time 510, final temperature 34.8)\n",
+      "Answered iijjkl (time 673, final temperature 18.1)\n",
+      "Answered iijjkl (time 1128, final temperature 19.8)\n",
+      "Answered iijjll (time 961, final temperature 19.9)\n",
+      "Answered iijjll (time 780, final temperature 16.5)\n",
+      "Answered iijjll (time 607, final temperature 17.8)\n",
+      "Answered iijjll (time 594, final temperature 39.7)\n",
+      "Answered iijjll (time 736, final temperature 18.4)\n",
+      "Answered iijjll (time 903, final temperature 18.6)\n",
+      "Answered iijjll (time 601, final temperature 20.6)\n",
+      "Answered iijjll (time 949, final temperature 42.4)\n",
+      "iijjll: 12 (avg time 724.3, avg temp 22.1)\n",
+      "iijjkl: 8 (avg time 828.4, avg temp 33.8)\n"
+     ]
+    }
+   ],
+   "source": [
+    "%run main.py abc abd iijjkk --iterations 20"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.6.1"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/copycat/workspace.py b/copycat/workspace.py
index fa679cf..658b36c 100644
--- a/copycat/workspace.py
+++ b/copycat/workspace.py
@@ -1,3 +1,6 @@
+"""Workspace module."""
+
+
 from . import formulas
 from .bond import Bond
 from .correspondence import Correspondence
@@ -14,6 +17,7 @@ def __adjustUnhappiness(values):
 
 class Workspace(object):
     def __init__(self, ctx):
+        """To initialize the workspace."""
         self.ctx = ctx
         self.totalUnhappiness = 0.0
         self.intraStringUnhappiness = 0.0
@@ -82,7 +86,7 @@ class Workspace(object):
         self.initial.updateIntraStringUnhappiness()
         self.target.updateIntraStringUnhappiness()
 
-    #TODO: use entropy
+    # TODO: use entropy
     def getUpdatedTemperature(self):
         self.calculateIntraStringUnhappiness()
         self.calculateInterStringUnhappiness()