diff --git a/l3/TM-Lab3.ipynb b/l3/TM-Lab3.ipynb
index 1e0074f82bb0e686716ef3746f9298dd97179533..ebfb34c4c2b66775b34a348aabb862d2f43da403 100644
--- a/l3/TM-Lab3.ipynb
+++ b/l3/TM-Lab3.ipynb
@@ -37,7 +37,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 116,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -82,7 +82,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 117,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -128,7 +128,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 118,
    "metadata": {},
    "outputs": [
     {
@@ -220,7 +220,7 @@
        "4        Brussels  "
       ]
      },
-     "execution_count": 4,
+     "execution_count": 118,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -262,7 +262,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 119,
    "metadata": {
     "deletable": false,
     "nbgrader": {
@@ -312,7 +312,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 120,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -350,7 +350,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 121,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -419,7 +419,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 122,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -464,7 +464,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 123,
    "metadata": {
     "deletable": false,
     "nbgrader": {
@@ -498,7 +498,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 124,
    "metadata": {
     "deletable": false,
     "nbgrader": {
@@ -552,7 +552,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 125,
    "metadata": {},
    "outputs": [
     {
@@ -575,7 +575,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 126,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -630,7 +630,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 127,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -692,7 +692,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 128,
    "metadata": {
     "tags": [
      "solution"
@@ -16062,7 +16062,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 129,
    "metadata": {
     "deletable": false,
     "nbgrader": {
@@ -16123,7 +16123,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 130,
    "metadata": {
     "tags": [
      "solution"
@@ -16147,7 +16147,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 131,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -16193,7 +16193,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 132,
    "metadata": {
     "deletable": false,
     "nbgrader": {
@@ -16245,7 +16245,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 133,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -16388,7 +16388,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 134,
    "metadata": {
     "deletable": false,
     "nbgrader": {
@@ -16430,7 +16430,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 135,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -16495,7 +16495,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 136,
    "metadata": {
     "deletable": false,
     "nbgrader": {
@@ -16544,7 +16544,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 137,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -16613,7 +16613,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 138,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -16643,7 +16643,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 139,
    "metadata": {},
    "outputs": [
     {
@@ -16702,7 +16702,7 @@
        "17438  Sweden  Sweden_men's_national_ice_hockey_team  0.000059"
       ]
      },
-     "execution_count": 25,
+     "execution_count": 139,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -16727,7 +16727,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 62,
+   "execution_count": 140,
    "metadata": {
     "deletable": false,
     "nbgrader": {
@@ -16784,7 +16784,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 63,
+   "execution_count": 141,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -16851,7 +16851,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 64,
+   "execution_count": 142,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -16881,7 +16881,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 65,
+   "execution_count": 143,
    "metadata": {},
    "outputs": [
     {
@@ -16961,7 +16961,7 @@
        "4  renovations in 1989 for the @ The present capa...  "
       ]
      },
-     "execution_count": 65,
+     "execution_count": 143,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -16981,7 +16981,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 66,
+   "execution_count": 144,
    "metadata": {},
    "outputs": [
     {
@@ -17001,7 +17001,7 @@
        "Name: context, Length: 149, dtype: object"
       ]
      },
-     "execution_count": 66,
+     "execution_count": 144,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -17025,7 +17025,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 105,
+   "execution_count": 145,
    "metadata": {
     "deletable": false,
     "nbgrader": {
@@ -17098,7 +17098,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 106,
+   "execution_count": 146,
    "metadata": {
     "deletable": false,
     "nbgrader": {
@@ -17167,7 +17167,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 107,
+   "execution_count": 147,
    "metadata": {
     "deletable": false,
     "editable": false,
@@ -17198,7 +17198,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 108,
+   "execution_count": 148,
    "metadata": {
     "deletable": false,
     "editable": false,