diff --git a/03_classification.ipynb b/03_classification.ipynb
index 25c8b98..499d157 100644
--- a/03_classification.ipynb
+++ b/03_classification.ipynb
@@ -72,8 +72,7 @@
    "source": [
     "from sklearn.datasets import fetch_openml\n",
     "\n",
-    "mnist = fetch_openml('mnist_784', version=1, as_frame=False)\n",
-    "mnist.keys()"
+    "mnist = fetch_openml('mnist_784', version=1, as_frame=False)"
    ]
   },
   {
@@ -82,7 +81,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "mnist.data"
+    "# Not in the book\n",
+    "mnist.keys()"
    ]
   },
   {
@@ -91,7 +91,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "mnist.target"
+    "print(mnist.DESCR)"
    ]
   },
   {
@@ -100,10 +100,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import numpy as np\n",
-    "\n",
-    "X, y = mnist[\"data\"], mnist[\"target\"].astype(np.int8)\n",
-    "X.shape"
+    "mnist.data"
    ]
   },
   {
@@ -112,7 +109,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "y.shape"
+    "mnist.target"
    ]
   },
   {
@@ -120,6 +117,27 @@
    "execution_count": 7,
    "metadata": {},
    "outputs": [],
+   "source": [
+    "import numpy as np\n",
+    "\n",
+    "X, y = mnist.data, mnist.target\n",
+    "X.shape"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "y.shape"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "28 * 28"
    ]
@@ -133,7 +151,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -158,7 +176,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 11,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -179,7 +197,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -188,7 +206,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -203,7 +221,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 14,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -219,17 +237,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 15,
    "metadata": {},
    "outputs": [],
    "source": [
-    "y_train_5 = (y_train == 5)\n",
-    "y_test_5 = (y_test == 5)"
+    "y_train_5 = (y_train == '5')\n",
+    "y_test_5 = (y_test == '5')"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 16,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -241,7 +259,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 17,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -250,7 +268,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 18,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -275,7 +293,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 19,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -298,7 +316,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 20,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -311,7 +329,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 21,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -327,7 +345,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 22,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -338,7 +356,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 23,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -349,7 +367,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 24,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -366,7 +384,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 25,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -377,7 +395,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 26,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -387,7 +405,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -396,7 +414,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 28,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -405,7 +423,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 29,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -416,7 +434,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 28,
+   "execution_count": 30,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -432,7 +450,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 29,
+   "execution_count": 31,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -442,7 +460,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 30,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -452,7 +470,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 31,
+   "execution_count": 33,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -461,7 +479,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 32,
+   "execution_count": 34,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -472,7 +490,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 33,
+   "execution_count": 35,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -482,7 +500,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 34,
+   "execution_count": 36,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -493,7 +511,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 35,
+   "execution_count": 37,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -519,7 +537,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 36,
+   "execution_count": 38,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -528,7 +546,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 37,
+   "execution_count": 39,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -551,7 +569,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 38,
+   "execution_count": 40,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -560,7 +578,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 39,
+   "execution_count": 41,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -569,7 +587,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 40,
+   "execution_count": 42,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -578,7 +596,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 41,
+   "execution_count": 43,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -587,7 +605,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 42,
+   "execution_count": 44,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -603,7 +621,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 43,
+   "execution_count": 45,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -614,7 +632,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 44,
+   "execution_count": 46,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -644,7 +662,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 45,
+   "execution_count": 47,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -655,7 +673,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 46,
+   "execution_count": 48,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -668,7 +686,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 47,
+   "execution_count": 49,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -677,7 +695,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 48,
+   "execution_count": 50,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -687,7 +705,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 49,
+   "execution_count": 51,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -710,7 +728,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 50,
+   "execution_count": 52,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -719,7 +737,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 51,
+   "execution_count": 53,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -729,7 +747,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 52,
+   "execution_count": 54,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -747,25 +765,25 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "SVMs do not scale well, so let's only train on the first 2,000 instances, or else this section will take a very long time to run:"
+    "SVMs do not scale well to large datasets, so let's only train on the first 2,000 instances, or else this section will take a very long time to run:"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 53,
+   "execution_count": 55,
    "metadata": {},
    "outputs": [],
    "source": [
     "from sklearn.svm import SVC\n",
     "\n",
     "svm_clf = SVC(gamma=\"auto\", random_state=42)\n",
-    "svm_clf.fit(X_train[:2000], y_train[:2000]) # y_train, not y_train_5\n",
+    "svm_clf.fit(X_train[:2000], y_train[:2000])  # y_train, not y_train_5\n",
     "svm_clf.predict([some_digit])"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 54,
+   "execution_count": 56,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -775,7 +793,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 55,
+   "execution_count": 57,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -787,16 +805,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 56,
+   "execution_count": 58,
    "metadata": {},
    "outputs": [],
    "source": [
-    "np.argmax(some_digit_scores)"
+    "class_id = np.argmax(some_digit_scores)\n",
+    "class_id"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 57,
+   "execution_count": 59,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -805,16 +824,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 58,
+   "execution_count": 60,
    "metadata": {},
    "outputs": [],
    "source": [
-    "svm_clf.classes_[5]"
+    "svm_clf.classes_[class_id]"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 59,
+   "execution_count": 61,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -827,7 +846,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 60,
+   "execution_count": 62,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -836,7 +855,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 61,
+   "execution_count": 63,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -847,7 +866,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 62,
+   "execution_count": 64,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -856,7 +875,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 63,
+   "execution_count": 65,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -866,7 +885,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 64,
+   "execution_count": 66,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -885,9 +904,16 @@
     "# Error Analysis"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "**Warning:** the following cell will take a few minutes to run:"
+   ]
+  },
   {
    "cell_type": "code",
-   "execution_count": 65,
+   "execution_count": 67,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -896,7 +922,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 66,
+   "execution_count": 68,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -909,7 +935,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 67,
+   "execution_count": 69,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -924,11 +950,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 68,
+   "execution_count": 70,
    "metadata": {},
    "outputs": [],
    "source": [
-    "cl_a, cl_b = 3, 5\n",
+    "cl_a, cl_b = '3', '5'\n",
     "X_aa = X_train[(y_train == cl_a) & (y_train_pred == cl_a)]\n",
     "X_ab = X_train[(y_train == cl_a) & (y_train_pred == cl_b)]\n",
     "X_ba = X_train[(y_train == cl_b) & (y_train_pred == cl_a)]\n",
@@ -937,7 +963,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 69,
+   "execution_count": 71,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -985,14 +1011,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 70,
+   "execution_count": 72,
    "metadata": {},
    "outputs": [],
    "source": [
     "from sklearn.neighbors import KNeighborsClassifier\n",
     "\n",
-    "y_train_large = (y_train >= 7)\n",
-    "y_train_odd = (y_train % 2 == 1)\n",
+    "y_train_large = (y_train >= '7')\n",
+    "y_train_odd = (y_train.astype(np.uint8) % 2 == 1)\n",
     "y_multilabel = np.c_[y_train_large, y_train_odd]\n",
     "\n",
     "knn_clf = KNeighborsClassifier()\n",
@@ -1001,7 +1027,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 71,
+   "execution_count": 73,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1017,7 +1043,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 72,
+   "execution_count": 74,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1034,7 +1060,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 73,
+   "execution_count": 75,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1049,7 +1075,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 74,
+   "execution_count": 76,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1062,7 +1088,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 75,
+   "execution_count": 77,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1103,7 +1129,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 76,
+   "execution_count": 78,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1129,7 +1155,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 77,
+   "execution_count": 79,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1144,7 +1170,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 78,
+   "execution_count": 80,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1153,7 +1179,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 79,
+   "execution_count": 81,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1169,7 +1195,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 80,
+   "execution_count": 82,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1208,7 +1234,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 81,
+   "execution_count": 83,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1217,7 +1243,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 82,
+   "execution_count": 84,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1236,7 +1262,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 83,
+   "execution_count": 85,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1269,7 +1295,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 84,
+   "execution_count": 86,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1294,7 +1320,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 85,
+   "execution_count": 87,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1312,7 +1338,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 86,
+   "execution_count": 88,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1321,7 +1347,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 87,
+   "execution_count": 89,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1337,7 +1363,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 88,
+   "execution_count": 90,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1353,7 +1379,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 89,
+   "execution_count": 91,
    "metadata": {
     "tags": []
    },
@@ -1400,7 +1426,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 90,
+   "execution_count": 92,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1424,7 +1450,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 91,
+   "execution_count": 93,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1447,7 +1473,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 92,
+   "execution_count": 94,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1480,7 +1506,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 93,
+   "execution_count": 95,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1497,7 +1523,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 94,
+   "execution_count": 96,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1506,7 +1532,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 95,
+   "execution_count": 97,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1536,7 +1562,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 96,
+   "execution_count": 98,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1561,7 +1587,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 97,
+   "execution_count": 99,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1577,7 +1603,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 98,
+   "execution_count": 100,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1586,7 +1612,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 99,
+   "execution_count": 101,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1595,7 +1621,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 100,
+   "execution_count": 102,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1618,7 +1644,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 101,
+   "execution_count": 103,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1640,7 +1666,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 102,
+   "execution_count": 104,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1649,7 +1675,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 103,
+   "execution_count": 105,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1669,7 +1695,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 104,
+   "execution_count": 106,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1693,7 +1719,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 105,
+   "execution_count": 107,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1710,7 +1736,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 106,
+   "execution_count": 108,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1726,7 +1752,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 107,
+   "execution_count": 109,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1743,7 +1769,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 108,
+   "execution_count": 110,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1760,7 +1786,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 109,
+   "execution_count": 111,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1784,7 +1810,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 110,
+   "execution_count": 112,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1811,7 +1837,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 111,
+   "execution_count": 113,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1845,7 +1871,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 112,
+   "execution_count": 114,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1855,7 +1881,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 113,
+   "execution_count": 115,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1889,7 +1915,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 114,
+   "execution_count": 116,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1916,7 +1942,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 115,
+   "execution_count": 117,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1932,7 +1958,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 116,
+   "execution_count": 118,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1942,7 +1968,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 117,
+   "execution_count": 119,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1951,7 +1977,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 118,
+   "execution_count": 120,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1967,7 +1993,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 119,
+   "execution_count": 121,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1981,7 +2007,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 120,
+   "execution_count": 122,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1998,7 +2024,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 121,
+   "execution_count": 123,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2007,7 +2033,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 122,
+   "execution_count": 124,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2023,7 +2049,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 123,
+   "execution_count": 125,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2042,7 +2068,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 124,
+   "execution_count": 126,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2058,7 +2084,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 125,
+   "execution_count": 127,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2067,7 +2093,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 126,
+   "execution_count": 128,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2090,7 +2116,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 127,
+   "execution_count": 129,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2107,7 +2133,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 128,
+   "execution_count": 130,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2123,7 +2149,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 129,
+   "execution_count": 131,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2146,7 +2172,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 130,
+   "execution_count": 132,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2170,7 +2196,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 131,
+   "execution_count": 133,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2189,7 +2215,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 132,
+   "execution_count": 134,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2205,7 +2231,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 133,
+   "execution_count": 135,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2229,7 +2255,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 134,
+   "execution_count": 136,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2245,7 +2271,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 135,
+   "execution_count": 137,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2266,7 +2292,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 136,
+   "execution_count": 138,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2288,7 +2314,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 137,
+   "execution_count": 139,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2309,7 +2335,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 138,
+   "execution_count": 140,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2362,7 +2388,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 139,
+   "execution_count": 141,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2387,7 +2413,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 140,
+   "execution_count": 142,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2420,7 +2446,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 141,
+   "execution_count": 143,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2431,7 +2457,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 142,
+   "execution_count": 144,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2447,7 +2473,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 143,
+   "execution_count": 145,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2463,7 +2489,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 144,
+   "execution_count": 146,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2479,7 +2505,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 145,
+   "execution_count": 147,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2502,7 +2528,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 146,
+   "execution_count": 148,
    "metadata": {},
    "outputs": [],
    "source": [