diff --git a/02_end_to_end_machine_learning_project.ipynb b/02_end_to_end_machine_learning_project.ipynb
index 8e2fe45..eb3e977 100644
--- a/02_end_to_end_machine_learning_project.ipynb
+++ b/02_end_to_end_machine_learning_project.ipynb
@@ -164,27 +164,6 @@
     "housing.describe()"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "The following cell is not shown in the book, as it's just here to make the figures prettier by setting the font sizes:"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 9,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "# not in the book – code to make figures prettier\n",
-    "import matplotlib as mpl\n",
-    "\n",
-    "mpl.rc('font', size=12)\n",
-    "mpl.rc('axes', labelsize=14, titlesize=14)\n",
-    "mpl.rc('legend', fontsize=14)"
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -194,7 +173,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -212,12 +191,19 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [],
    "source": [
     "import matplotlib.pyplot as plt\n",
     "\n",
+    "# not in the book – the next 5 lines define the default font sizes\n",
+    "plt.rc('font', size=12)\n",
+    "plt.rc('axes', labelsize=14, titlesize=14)\n",
+    "plt.rc('legend', fontsize=14)\n",
+    "plt.rc('xtick',labelsize=10)\n",
+    "plt.rc('ytick',labelsize=10)\n",
+    "\n",
     "housing.hist(bins=50, figsize=(12, 8))\n",
     "save_fig(\"attribute_histogram_plots\")  # not in the book\n",
     "plt.show()"
@@ -232,7 +218,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 11,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -248,7 +234,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -258,7 +244,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -274,7 +260,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 14,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -297,7 +283,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 15,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -314,7 +300,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 16,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -324,7 +310,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 17,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -334,7 +320,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 18,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -345,7 +331,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 19,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -361,7 +347,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 20,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -385,7 +371,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 21,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -399,7 +385,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 22,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -410,7 +396,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 23,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -423,7 +409,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 24,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -439,7 +425,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 25,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -455,7 +441,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 26,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -465,7 +451,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 28,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -474,7 +460,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 29,
+   "execution_count": 28,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -500,7 +486,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 30,
+   "execution_count": 29,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -517,7 +503,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 31,
+   "execution_count": 30,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -533,7 +519,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 32,
+   "execution_count": 31,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -544,7 +530,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 33,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -555,7 +541,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 34,
+   "execution_count": 33,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -583,7 +569,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 35,
+   "execution_count": 34,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -625,7 +611,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 36,
+   "execution_count": 35,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -634,7 +620,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 37,
+   "execution_count": 36,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -643,7 +629,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 38,
+   "execution_count": 37,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -658,7 +644,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 39,
+   "execution_count": 38,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -677,7 +663,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 40,
+   "execution_count": 39,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -688,7 +674,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 41,
+   "execution_count": 40,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -712,7 +698,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 42,
+   "execution_count": 41,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -747,7 +733,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 43,
+   "execution_count": 42,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -757,7 +743,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 44,
+   "execution_count": 43,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -770,7 +756,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 45,
+   "execution_count": 44,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -783,7 +769,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 46,
+   "execution_count": 45,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -797,7 +783,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 47,
+   "execution_count": 46,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -815,7 +801,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 48,
+   "execution_count": 47,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -824,7 +810,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 49,
+   "execution_count": 48,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -833,7 +819,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 50,
+   "execution_count": 49,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -849,7 +835,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 51,
+   "execution_count": 50,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -865,7 +851,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 52,
+   "execution_count": 51,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -874,7 +860,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 53,
+   "execution_count": 52,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -883,7 +869,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 54,
+   "execution_count": 53,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -893,7 +879,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 55,
+   "execution_count": 54,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -902,7 +888,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 56,
+   "execution_count": 55,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -911,7 +897,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 57,
+   "execution_count": 56,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -921,7 +907,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 58,
+   "execution_count": 57,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -930,7 +916,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 59,
+   "execution_count": 58,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -948,7 +934,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 60,
+   "execution_count": 59,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -960,7 +946,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 61,
+   "execution_count": 60,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -969,7 +955,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 62,
+   "execution_count": 61,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -993,7 +979,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 63,
+   "execution_count": 62,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1003,7 +989,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 64,
+   "execution_count": 63,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1015,7 +1001,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 65,
+   "execution_count": 64,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1024,7 +1010,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 66,
+   "execution_count": 65,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1033,7 +1019,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 67,
+   "execution_count": 66,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1045,7 +1031,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 68,
+   "execution_count": 67,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1061,7 +1047,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 69,
+   "execution_count": 68,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1077,7 +1063,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 70,
+   "execution_count": 69,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1088,7 +1074,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 71,
+   "execution_count": 70,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1097,7 +1083,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 72,
+   "execution_count": 71,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1107,7 +1093,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 73,
+   "execution_count": 72,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1116,7 +1102,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 74,
+   "execution_count": 73,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1126,7 +1112,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 75,
+   "execution_count": 74,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1136,7 +1122,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 76,
+   "execution_count": 75,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1145,7 +1131,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 77,
+   "execution_count": 76,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1154,7 +1140,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 78,
+   "execution_count": 77,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1165,7 +1151,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 79,
+   "execution_count": 78,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1181,7 +1167,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 80,
+   "execution_count": 79,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1193,7 +1179,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 81,
+   "execution_count": 80,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1205,7 +1191,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 82,
+   "execution_count": 81,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1229,7 +1215,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 83,
+   "execution_count": 82,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1250,7 +1236,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 84,
+   "execution_count": 83,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1261,7 +1247,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 85,
+   "execution_count": 84,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1295,7 +1281,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 86,
+   "execution_count": 85,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1314,7 +1300,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 87,
+   "execution_count": 86,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1323,7 +1309,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 88,
+   "execution_count": 87,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1337,7 +1323,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 89,
+   "execution_count": 88,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1360,7 +1346,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 90,
+   "execution_count": 89,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1372,7 +1358,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 91,
+   "execution_count": 90,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1383,7 +1369,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 92,
+   "execution_count": 91,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1392,7 +1378,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 93,
+   "execution_count": 92,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1404,7 +1390,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 94,
+   "execution_count": 93,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1413,7 +1399,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 95,
+   "execution_count": 94,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1423,7 +1409,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 96,
+   "execution_count": 95,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1452,7 +1438,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 97,
+   "execution_count": 96,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1478,7 +1464,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 98,
+   "execution_count": 97,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1489,7 +1475,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 99,
+   "execution_count": 98,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1498,7 +1484,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 100,
+   "execution_count": 99,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1540,7 +1526,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 101,
+   "execution_count": 100,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1554,7 +1540,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 102,
+   "execution_count": 101,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1565,7 +1551,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 103,
+   "execution_count": 102,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1578,7 +1564,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 104,
+   "execution_count": 103,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1588,7 +1574,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 105,
+   "execution_count": 104,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1637,7 +1623,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 106,
+   "execution_count": 105,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1648,7 +1634,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 107,
+   "execution_count": 106,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1657,7 +1643,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 108,
+   "execution_count": 107,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1666,7 +1652,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 109,
+   "execution_count": 108,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1675,7 +1661,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 110,
+   "execution_count": 109,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1684,7 +1670,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 111,
+   "execution_count": 110,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1693,7 +1679,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 112,
+   "execution_count": 111,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1702,7 +1688,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 113,
+   "execution_count": 112,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1724,7 +1710,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 114,
+   "execution_count": 113,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1738,7 +1724,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 115,
+   "execution_count": 114,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1747,7 +1733,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 116,
+   "execution_count": 115,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1761,7 +1747,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 117,
+   "execution_count": 116,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1798,7 +1784,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 118,
+   "execution_count": 117,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1808,7 +1794,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 119,
+   "execution_count": 118,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1831,7 +1817,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 120,
+   "execution_count": 119,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1850,7 +1836,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 121,
+   "execution_count": 120,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1867,7 +1853,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 122,
+   "execution_count": 121,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1876,7 +1862,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 123,
+   "execution_count": 122,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1887,7 +1873,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 124,
+   "execution_count": 123,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1900,7 +1886,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 125,
+   "execution_count": 124,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1912,7 +1898,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 126,
+   "execution_count": 125,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1931,7 +1917,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 127,
+   "execution_count": 126,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1943,7 +1929,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 128,
+   "execution_count": 127,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1952,7 +1938,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 129,
+   "execution_count": 128,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1971,7 +1957,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 130,
+   "execution_count": 129,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1985,7 +1971,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 131,
+   "execution_count": 130,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2001,7 +1987,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 132,
+   "execution_count": 131,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2042,7 +2028,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 133,
+   "execution_count": 132,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2072,7 +2058,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 134,
+   "execution_count": 133,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2089,7 +2075,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 135,
+   "execution_count": 134,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2098,7 +2084,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 136,
+   "execution_count": 135,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2114,7 +2100,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 137,
+   "execution_count": 136,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2148,7 +2134,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 138,
+   "execution_count": 137,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2165,7 +2151,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 139,
+   "execution_count": 138,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2184,7 +2170,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 140,
+   "execution_count": 139,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2221,7 +2207,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 141,
+   "execution_count": 140,
    "metadata": {
     "tags": []
    },
@@ -2283,7 +2269,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 142,
+   "execution_count": 141,
    "metadata": {
     "tags": []
    },
@@ -2347,7 +2333,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 143,
+   "execution_count": 142,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2358,7 +2344,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 144,
+   "execution_count": 143,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2376,7 +2362,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 145,
+   "execution_count": 144,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2398,7 +2384,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 146,
+   "execution_count": 145,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2420,7 +2406,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 147,
+   "execution_count": 146,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2441,7 +2427,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 148,
+   "execution_count": 147,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2467,7 +2453,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 149,
+   "execution_count": 148,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2485,7 +2471,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 150,
+   "execution_count": 149,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2510,7 +2496,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 151,
+   "execution_count": 150,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2547,7 +2533,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 152,
+   "execution_count": 151,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2577,7 +2563,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 153,
+   "execution_count": 152,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2594,7 +2580,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 154,
+   "execution_count": 153,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2631,7 +2617,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 155,
+   "execution_count": 154,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2665,7 +2651,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 156,
+   "execution_count": 155,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2682,7 +2668,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 157,
+   "execution_count": 156,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2705,7 +2691,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 158,
+   "execution_count": 157,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2745,7 +2731,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 159,
+   "execution_count": 158,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2763,7 +2749,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 160,
+   "execution_count": 159,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2805,7 +2791,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 161,
+   "execution_count": 160,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2850,7 +2836,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 162,
+   "execution_count": 161,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2868,7 +2854,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 163,
+   "execution_count": 162,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2887,7 +2873,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 164,
+   "execution_count": 163,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2903,7 +2889,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 165,
+   "execution_count": 164,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2919,7 +2905,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 166,
+   "execution_count": 165,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2933,7 +2919,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 167,
+   "execution_count": 166,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2968,7 +2954,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 168,
+   "execution_count": 167,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2990,7 +2976,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 169,
+   "execution_count": 168,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -3021,7 +3007,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 170,
+   "execution_count": 169,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -3082,7 +3068,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 171,
+   "execution_count": 170,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -3107,7 +3093,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 172,
+   "execution_count": 171,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -3129,7 +3115,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 173,
+   "execution_count": 172,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -3148,7 +3134,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 174,
+   "execution_count": 173,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -3166,7 +3152,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 175,
+   "execution_count": 174,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -3183,7 +3169,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 176,
+   "execution_count": 175,
    "metadata": {},
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    "source": [