Update some of the docs.

docs/Advent_of_Code_2017_December_4th.ipynb

@@ -66,7 +66,13 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
+      "\n",
+      "==== Help on step_zero ====\n",
+      "\n",
       "0 roll> step\n",
+      "\n",
+      "---- end (step_zero)\n",
+      "\n",
       "\n"
      ]
     }
@@ -88,7 +94,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "define('AoC2017.4 == [[size] [unique size] cleave = +] step_zero')"
+    "define('AoC2017.4 [[size] [unique size] cleave = +] step_zero')"
    ]
   },
   {
@@ -124,14 +130,14 @@
   "language_info": {
    "codemirror_mode": {
     "name": "ipython",
-    "version": 2
+    "version": 3
    },
    "file_extension": ".py",
    "mimetype": "text/x-python",
    "name": "python",
    "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython2",
-   "version": "2.7.13"
+   "pygments_lexer": "ipython3",
+   "version": "3.8.3"
   }
  },
  "nbformat": 4,