diff --git a/module3/exo3/exercice_fr.ipynb b/module3/exo3/exercice_fr.ipynb
index e6b5b18d64d2bdcc213c458f24631bd57519f004..ccf0f7bb00e09250d1deef9cd9709d6fd6668e86 100644
--- a/module3/exo3/exercice_fr.ipynb
+++ b/module3/exo3/exercice_fr.ipynb
@@ -562,8 +562,6 @@
     "          if currentLine.startswith(\" \"):\n",
     "            # La ligne commence avec un espace, elle déclare donc l'auteur d'une réplique\n",
     "            # on va parcourir la liste des protagonistes de la scène et identifier l'auteur\n",
-    "            if actNum==4 and sceneNum==7:\n",
-    "              print(\"persosList : {}\".format(scenePersoList))\n",
     "            for perso in scenePersoList:\n",
     "              # On fait une recherche ignorant si les lettres sont en majuscules ou minuscules\n",
     "              # grâce à l'option passée à la fonction de recherche d'expression régulière\n",
@@ -655,7 +653,6 @@
     "        else:\n",
     "          # La ligne est vide on sait que c'est le cas particulier\n",
     "          # le seul protagoniste est Harpagon\n",
-    "          print(\"Exception scene 7 of act 4\")\n",
     "          scenePersoList.append('Harpagon')\n",
     "        #print(\"*********************************\")\n",
     "        #print(\"Liste des personnages de la scène\")\n",
@@ -1370,7 +1367,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 20,
    "metadata": {},
    "outputs": [
     {
@@ -1402,76 +1399,23 @@
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>746</th>\n",
-       "      <td>4</td>\n",
-       "      <td>La Flèche</td>\n",
-       "      <td>Cléante</td>\n",
-       "      <td>6</td>\n",
-       "      <td>11</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>748</th>\n",
-       "      <td>4</td>\n",
-       "      <td>La Flèche</td>\n",
-       "      <td>Cléante</td>\n",
-       "      <td>6</td>\n",
-       "      <td>8</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>750</th>\n",
-       "      <td>4</td>\n",
-       "      <td>La Flèche</td>\n",
-       "      <td>Cléante</td>\n",
-       "      <td>6</td>\n",
-       "      <td>3</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>752</th>\n",
-       "      <td>4</td>\n",
-       "      <td>La Flèche</td>\n",
-       "      <td>Cléante</td>\n",
-       "      <td>6</td>\n",
-       "      <td>7</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>754</th>\n",
-       "      <td>4</td>\n",
-       "      <td>La Flèche</td>\n",
-       "      <td>Cléante</td>\n",
-       "      <td>6</td>\n",
-       "      <td>9</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>756</th>\n",
-       "      <td>4</td>\n",
-       "      <td>La Flèche</td>\n",
-       "      <td>Cléante</td>\n",
-       "      <td>6</td>\n",
-       "      <td>9</td>\n",
-       "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "     act     author recipient  scene  speech_length\n",
-       "746    4  La Flèche   Cléante      6             11\n",
-       "748    4  La Flèche   Cléante      6              8\n",
-       "750    4  La Flèche   Cléante      6              3\n",
-       "752    4  La Flèche   Cléante      6              7\n",
-       "754    4  La Flèche   Cléante      6              9\n",
-       "756    4  La Flèche   Cléante      6              9"
+       "Empty DataFrame\n",
+       "Columns: [act, author, recipient, scene, speech_length]\n",
+       "Index: []"
       ]
      },
-     "execution_count": 15,
+     "execution_count": 20,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "debugDf = textDataSynthesisTableDf[textDataSynthesisTableDf[\"author\"]==\"La Flèche\"]\n",
-    "debugDf[debugDf[\"act\"]==float(4)]"
+    " textDataSynthesisTableDf[textDataSynthesisTableDf.isna().any(axis=1)]"
    ]
   },
   {