diff --git a/module3/exo3/exercice_fr.ipynb b/module3/exo3/exercice_fr.ipynb
index 6455ece1104cc1b856474ccc2dba6166aecc96c6..333e39578438588fe20c6a23afe3bd8a86e30ccd 100644
--- a/module3/exo3/exercice_fr.ipynb
+++ b/module3/exo3/exercice_fr.ipynb
@@ -592,31 +592,145 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 89,
+   "execution_count": 105,
    "metadata": {},
    "outputs": [
     {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "        Date  Concentration  Annee  Moyenne\n",
-      "0 1958-03-29         316.19   1958  315.474\n",
-      "1 1958-04-05         317.31   1958  315.474\n",
-      "2 1958-04-12         317.69   1958  315.474\n",
-      "3 1958-04-19         317.58   1958  315.474\n",
-      "4 1958-04-26         316.48   1958  315.474\n",
-      "5 1958-05-03         316.95   1958  315.474\n",
-      "6 1958-05-17         317.56   1958  315.474\n",
-      "7 1958-05-24         317.99   1958  315.474\n",
-      "8 1958-07-05         315.85   1958  315.474\n",
-      "9 1958-07-12         315.85   1958  315.474\n"
-     ]
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>Date</th>\n",
+       "      <th>Concentration</th>\n",
+       "      <th>Annee</th>\n",
+       "      <th>Moyenne</th>\n",
+       "      <th>Oscilation</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>1958-03-29</td>\n",
+       "      <td>316.19</td>\n",
+       "      <td>1958</td>\n",
+       "      <td>315.474</td>\n",
+       "      <td>0.716</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>1958-04-05</td>\n",
+       "      <td>317.31</td>\n",
+       "      <td>1958</td>\n",
+       "      <td>315.474</td>\n",
+       "      <td>1.836</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>1958-04-12</td>\n",
+       "      <td>317.69</td>\n",
+       "      <td>1958</td>\n",
+       "      <td>315.474</td>\n",
+       "      <td>2.216</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>1958-04-19</td>\n",
+       "      <td>317.58</td>\n",
+       "      <td>1958</td>\n",
+       "      <td>315.474</td>\n",
+       "      <td>2.106</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>1958-04-26</td>\n",
+       "      <td>316.48</td>\n",
+       "      <td>1958</td>\n",
+       "      <td>315.474</td>\n",
+       "      <td>1.006</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>5</th>\n",
+       "      <td>1958-05-03</td>\n",
+       "      <td>316.95</td>\n",
+       "      <td>1958</td>\n",
+       "      <td>315.474</td>\n",
+       "      <td>1.476</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>6</th>\n",
+       "      <td>1958-05-17</td>\n",
+       "      <td>317.56</td>\n",
+       "      <td>1958</td>\n",
+       "      <td>315.474</td>\n",
+       "      <td>2.086</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>7</th>\n",
+       "      <td>1958-05-24</td>\n",
+       "      <td>317.99</td>\n",
+       "      <td>1958</td>\n",
+       "      <td>315.474</td>\n",
+       "      <td>2.516</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>8</th>\n",
+       "      <td>1958-07-05</td>\n",
+       "      <td>315.85</td>\n",
+       "      <td>1958</td>\n",
+       "      <td>315.474</td>\n",
+       "      <td>0.376</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9</th>\n",
+       "      <td>1958-07-12</td>\n",
+       "      <td>315.85</td>\n",
+       "      <td>1958</td>\n",
+       "      <td>315.474</td>\n",
+       "      <td>0.376</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "        Date  Concentration  Annee  Moyenne  Oscilation\n",
+       "0 1958-03-29         316.19   1958  315.474       0.716\n",
+       "1 1958-04-05         317.31   1958  315.474       1.836\n",
+       "2 1958-04-12         317.69   1958  315.474       2.216\n",
+       "3 1958-04-19         317.58   1958  315.474       2.106\n",
+       "4 1958-04-26         316.48   1958  315.474       1.006\n",
+       "5 1958-05-03         316.95   1958  315.474       1.476\n",
+       "6 1958-05-17         317.56   1958  315.474       2.086\n",
+       "7 1958-05-24         317.99   1958  315.474       2.516\n",
+       "8 1958-07-05         315.85   1958  315.474       0.376\n",
+       "9 1958-07-12         315.85   1958  315.474       0.376"
+      ]
+     },
+     "execution_count": 105,
+     "metadata": {},
+     "output_type": "execute_result"
     }
    ],
    "source": [
     "raw_data['Moyenne'] = raw_data.groupby('Annee')['Concentration'].transform('mean')\n",
     "# Affichons les 10 premières lignes\n",
-    "print(raw_data.head(10))"
+    "raw_data.head(10)"
    ]
   },
   {