diff --git a/module3/exo3/exercice.ipynb b/module3/exo3/exercice.ipynb
index 956ebd885e822ec1bf5677747ceb961b6ca0fc55..4c11d8f6b483dc7c0b0daa6772e1326d47899183 100644
--- a/module3/exo3/exercice.ipynb
+++ b/module3/exo3/exercice.ipynb
@@ -728,10 +728,48 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 32,
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "ename": "SyntaxError",
+     "evalue": "invalid syntax (<ipython-input-32-15a64fef2e76>, line 8)",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-32-15a64fef2e76>\"\u001b[0;36m, line \u001b[0;32m8\u001b[0m\n\u001b[0;31m    print form.format(*val)\u001b[0m\n\u001b[0m             ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid syntax\n"
+     ]
+    }
+   ],
+   "source": [
+    "alive = [\"nb vivantes\", len(data[(data['Smoker'] == \"Yes\") & (data['Status'] == \"Alive\")].index), len(data[(data['Smoker'] == \"No\") & (data['Status'] == \"Alive\")].index)]\n",
+    "dead = [\"nb mortes\", len(data[(data['Smoker'] == \"Yes\") & (data['Status'] == \"Dead\")].index), len(data[(data['Smoker'] == \"No\") & (data['Status'] == \"Dead\")].index)]\n",
+    "deathrate = [\"taux mortalite\", dead[1]/(alive[1] + dead[1]), dead[2]/(alive[2] + dead[2])]\n",
+    "\n",
+    "tab = [[\"\", \"Smokers\", \"Non Smokers\"], alive, dead, deathrate]\n",
+    "form=\"{0:10}{1:10}{2:10}\"\n",
+    "for val in tab:\n",
+    "     print form.format(*val)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 31,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "443"
+      ]
+     },
+     "execution_count": 31,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(data[(data['Smoker'] == \"Yes\") & (data['Status'] == \"Alive\")].index)"
+   ]
   }
  ],
  "metadata": {