diff --git a/module3.ipynb b/module3.ipynb
index 014caec..7925677 100644
--- a/module3.ipynb
+++ b/module3.ipynb
@@ -351,20 +351,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "True\n",
-      "False\n",
-      "True\n",
-      "False\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "import re\n",
     "def check_zip_code (text):\n",
@@ -402,12 +391,80 @@
     "\"{} {}\".format(result[2], result[1])"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Groups"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Lovelace Ada\n",
+      "Ada Lovelace\n"
+     ]
+    }
+   ],
+   "source": [
+    "import re\n",
+    "def rearrange_name(name):\n",
+    "    result = re.search(r\"^(\\w*), (\\w*)$\", name)\n",
+    "    if result is None:\n",
+    "        return name\n",
+    "    return \"{} {}\".format(result[1], result[2])\n",
+    "def rearrange_surname(name):\n",
+    "    result = re.search(r\"^(\\w*), (\\w*)$\", name)\n",
+    "    if result is None:\n",
+    "        return name\n",
+    "    return \"{} {}\".format(result[2], result[1])\n",
+    "print(rearrange_name(\"Lovelace, Ada\"))\n",
+    "print(rearrange_surname(\"Lovelace, Ada\"))"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "# Fix the regular expression used in the rearrange_name function so that it can match middle names, middle initials, as well as double surnames.\n",
+    "import re\n",
+    "def rearrange_name(name):\n",
+    "#   result = re.search(r\"^(\\w*), (\\w*)$\", name) # from this to:\n",
+    "  result = re.search(r\"^(\\w.*\\w*), (\\w.*\\w*)$\", name)\n",
+    "  if result == None:\n",
+    "    return name\n",
+    "  return \"{} {}\".format(result[2], result[1])\n",
+    "\n",
+    "name=rearrange_name(\"Kennedy, John F.\")\n",
+    "print(name)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Repetition Qualifiers"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import re\n",
+    "print(re.search(r\"[a-zA-Z]{5}\", \"a ghost\"))\n",
+    "print(re.search(r\"[a-zA-Z]{5}\", \"a scary ghost appeared\"))\n",
+    "print(re.findall(r\"[a-zA-Z]{5}\", \"a scary ghost appeared\"))"
+   ]
   }
  ],
  "metadata": {