diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index 0fc1af6..6728b5e 100644
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -18,10 +18,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "import numpy as np\n",
+    "import pandas as pd"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -32,13 +35,43 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
     "lst = [5.7, 75.2, 74.4, 84.0, 66.5, 66.3, 55.8, 75.7, 29.1, 43.7]"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "0     5.7\n",
+       "1    75.2\n",
+       "2    74.4\n",
+       "3    84.0\n",
+       "4    66.5\n",
+       "5    66.3\n",
+       "6    55.8\n",
+       "7    75.7\n",
+       "8    29.1\n",
+       "9    43.7\n",
+       "dtype: float64"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "pd.Series(lst)"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -55,6 +88,33 @@
     "*Hint: Remember that indexing begins at 0.*"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "74.4"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "pd.Series(lst)[2]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -71,7 +131,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -87,6 +147,162 @@
     "     [73.7, 39.0, 43.2, 81.6, 34.7]]"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "
\n",
+       "\n",
+       "
\n",
+       "  \n",
+       "    \n",
+       "      | \n",
+       " | 0\n",
+       " | 1\n",
+       " | 2\n",
+       " | 3\n",
+       " | 4\n",
+       " | 
\n",
+       "  \n",
+       "  \n",
+       "    \n",
+       "      | 0\n",
+       " | 53.1\n",
+       " | 95.0\n",
+       " | 67.5\n",
+       " | 35.0\n",
+       " | 78.4\n",
+       " | 
\n",
+       "    \n",
+       "      | 1\n",
+       " | 61.3\n",
+       " | 40.8\n",
+       " | 30.8\n",
+       " | 37.8\n",
+       " | 87.6\n",
+       " | 
\n",
+       "    \n",
+       "      | 2\n",
+       " | 20.6\n",
+       " | 73.2\n",
+       " | 44.2\n",
+       " | 14.6\n",
+       " | 91.8\n",
+       " | 
\n",
+       "    \n",
+       "      | 3\n",
+       " | 57.4\n",
+       " | 0.1\n",
+       " | 96.1\n",
+       " | 4.2\n",
+       " | 69.5\n",
+       " | 
\n",
+       "    \n",
+       "      | 4\n",
+       " | 83.6\n",
+       " | 20.5\n",
+       " | 85.4\n",
+       " | 22.8\n",
+       " | 35.9\n",
+       " | 
\n",
+       "    \n",
+       "      | 5\n",
+       " | 49.0\n",
+       " | 69.0\n",
+       " | 0.1\n",
+       " | 31.8\n",
+       " | 89.1\n",
+       " | 
\n",
+       "    \n",
+       "      | 6\n",
+       " | 23.3\n",
+       " | 40.7\n",
+       " | 95.0\n",
+       " | 83.8\n",
+       " | 26.9\n",
+       " | 
\n",
+       "    \n",
+       "      | 7\n",
+       " | 27.6\n",
+       " | 26.4\n",
+       " | 53.8\n",
+       " | 88.8\n",
+       " | 68.5\n",
+       " | 
\n",
+       "    \n",
+       "      | 8\n",
+       " | 96.6\n",
+       " | 96.4\n",
+       " | 53.4\n",
+       " | 72.4\n",
+       " | 50.1\n",
+       " | 
\n",
+       "    \n",
+       "      | 9\n",
+       " | 73.7\n",
+       " | 39.0\n",
+       " | 43.2\n",
+       " | 81.6\n",
+       " | 34.7\n",
+       " | 
\n",
+       "  \n",
+       "
\n",
+       "
\n",
+       "\n",
+       "
\n",
+       "  \n",
+       "    \n",
+       "      | \n",
+       " | Score_1\n",
+       " | Score_2\n",
+       " | Score_3\n",
+       " | Score_4\n",
+       " | Score_5\n",
+       " | 
\n",
+       "  \n",
+       "  \n",
+       "    \n",
+       "      | 0\n",
+       " | 53.1\n",
+       " | 95.0\n",
+       " | 67.5\n",
+       " | 35.0\n",
+       " | 78.4\n",
+       " | 
\n",
+       "    \n",
+       "      | 1\n",
+       " | 61.3\n",
+       " | 40.8\n",
+       " | 30.8\n",
+       " | 37.8\n",
+       " | 87.6\n",
+       " | 
\n",
+       "    \n",
+       "      | 2\n",
+       " | 20.6\n",
+       " | 73.2\n",
+       " | 44.2\n",
+       " | 14.6\n",
+       " | 91.8\n",
+       " | 
\n",
+       "    \n",
+       "      | 3\n",
+       " | 57.4\n",
+       " | 0.1\n",
+       " | 96.1\n",
+       " | 4.2\n",
+       " | 69.5\n",
+       " | 
\n",
+       "    \n",
+       "      | 4\n",
+       " | 83.6\n",
+       " | 20.5\n",
+       " | 85.4\n",
+       " | 22.8\n",
+       " | 35.9\n",
+       " | 
\n",
+       "    \n",
+       "      | 5\n",
+       " | 49.0\n",
+       " | 69.0\n",
+       " | 0.1\n",
+       " | 31.8\n",
+       " | 89.1\n",
+       " | 
\n",
+       "    \n",
+       "      | 6\n",
+       " | 23.3\n",
+       " | 40.7\n",
+       " | 95.0\n",
+       " | 83.8\n",
+       " | 26.9\n",
+       " | 
\n",
+       "    \n",
+       "      | 7\n",
+       " | 27.6\n",
+       " | 26.4\n",
+       " | 53.8\n",
+       " | 88.8\n",
+       " | 68.5\n",
+       " | 
\n",
+       "    \n",
+       "      | 8\n",
+       " | 96.6\n",
+       " | 96.4\n",
+       " | 53.4\n",
+       " | 72.4\n",
+       " | 50.1\n",
+       " | 
\n",
+       "    \n",
+       "      | 9\n",
+       " | 73.7\n",
+       " | 39.0\n",
+       " | 43.2\n",
+       " | 81.6\n",
+       " | 34.7\n",
+       " | 
\n",
+       "  \n",
+       "
\n",
+       "
\n",
+       "\n",
+       "
\n",
+       "  \n",
+       "    \n",
+       "      | \n",
+       " | Score_1\n",
+       " | Score_2\n",
+       " | Score_3\n",
+       " | Score_4\n",
+       " | Score_5\n",
+       " | 
\n",
+       "  \n",
+       "  \n",
+       "    \n",
+       "      | 0\n",
+       " | 53.1\n",
+       " | 95.0\n",
+       " | 67.5\n",
+       " | 35.0\n",
+       " | 78.4\n",
+       " | 
\n",
+       "    \n",
+       "      | 1\n",
+       " | 61.3\n",
+       " | 40.8\n",
+       " | 30.8\n",
+       " | 37.8\n",
+       " | 87.6\n",
+       " | 
\n",
+       "    \n",
+       "      | 2\n",
+       " | 20.6\n",
+       " | 73.2\n",
+       " | 44.2\n",
+       " | 14.6\n",
+       " | 91.8\n",
+       " | 
\n",
+       "    \n",
+       "      | 3\n",
+       " | 57.4\n",
+       " | 0.1\n",
+       " | 96.1\n",
+       " | 4.2\n",
+       " | 69.5\n",
+       " | 
\n",
+       "    \n",
+       "      | 4\n",
+       " | 83.6\n",
+       " | 20.5\n",
+       " | 85.4\n",
+       " | 22.8\n",
+       " | 35.9\n",
+       " | 
\n",
+       "    \n",
+       "      | 5\n",
+       " | 49.0\n",
+       " | 69.0\n",
+       " | 0.1\n",
+       " | 31.8\n",
+       " | 89.1\n",
+       " | 
\n",
+       "    \n",
+       "      | 6\n",
+       " | 23.3\n",
+       " | 40.7\n",
+       " | 95.0\n",
+       " | 83.8\n",
+       " | 26.9\n",
+       " | 
\n",
+       "    \n",
+       "      | 7\n",
+       " | 27.6\n",
+       " | 26.4\n",
+       " | 53.8\n",
+       " | 88.8\n",
+       " | 68.5\n",
+       " | 
\n",
+       "    \n",
+       "      | 8\n",
+       " | 96.6\n",
+       " | 96.4\n",
+       " | 53.4\n",
+       " | 72.4\n",
+       " | 50.1\n",
+       " | 
\n",
+       "    \n",
+       "      | 9\n",
+       " | 73.7\n",
+       " | 39.0\n",
+       " | 43.2\n",
+       " | 81.6\n",
+       " | 34.7\n",
+       " | 
\n",
+       "  \n",
+       "
\n",
+       "
\n",
+       "\n",
+       "
\n",
+       "  \n",
+       "    \n",
+       "      | \n",
+       " | Description\n",
+       " | Quantity\n",
+       " | UnitPrice\n",
+       " | Revenue\n",
+       " | 
\n",
+       "  \n",
+       "  \n",
+       "    \n",
+       "      | 0\n",
+       " | LUNCH BAG APPLE DESIGN\n",
+       " | 1\n",
+       " | 1.65\n",
+       " | 1.65\n",
+       " | 
\n",
+       "    \n",
+       "      | 1\n",
+       " | SET OF 60 VINTAGE LEAF CAKE CASES\n",
+       " | 24\n",
+       " | 0.55\n",
+       " | 13.20\n",
+       " | 
\n",
+       "    \n",
+       "      | 2\n",
+       " | RIBBON REEL STRIPES DESIGN\n",
+       " | 1\n",
+       " | 1.65\n",
+       " | 1.65\n",
+       " | 
\n",
+       "    \n",
+       "      | 3\n",
+       " | WORLD WAR 2 GLIDERS ASSTD DESIGNS\n",
+       " | 2880\n",
+       " | 0.18\n",
+       " | 518.40\n",
+       " | 
\n",
+       "    \n",
+       "      | 4\n",
+       " | PLAYING CARDS JUBILEE UNION JACK\n",
+       " | 2\n",
+       " | 1.25\n",
+       " | 2.50\n",
+       " | 
\n",
+       "    \n",
+       "      | 5\n",
+       " | POPCORN HOLDER\n",
+       " | 7\n",
+       " | 0.85\n",
+       " | 5.95\n",
+       " | 
\n",
+       "    \n",
+       "      | 6\n",
+       " | BOX OF VINTAGE ALPHABET BLOCKS\n",
+       " | 1\n",
+       " | 11.95\n",
+       " | 11.95\n",
+       " | 
\n",
+       "    \n",
+       "      | 7\n",
+       " | PARTY BUNTING\n",
+       " | 4\n",
+       " | 4.95\n",
+       " | 19.80\n",
+       " | 
\n",
+       "    \n",
+       "      | 8\n",
+       " | JAZZ HEARTS ADDRESS BOOK\n",
+       " | 10\n",
+       " | 0.19\n",
+       " | 1.90\n",
+       " | 
\n",
+       "    \n",
+       "      | 9\n",
+       " | SET OF 4 SANTA PLACE SETTINGS\n",
+       " | 48\n",
+       " | 1.25\n",
+       " | 60.00\n",
+       " | 
\n",
+       "  \n",
+       "
\n",
+       "