Update exo 2 and start exo 3

module3/exo2/exercice.ipynb

@@ -1037,7 +1037,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Y a-t-il des points manquants dans ce jeux de données ? "
+    "Y a-t-il des points manquants dans ce jeux de données ? Non, il n'y en a pas. "
    ]
   },
   {
@@ -1098,13 +1098,6 @@
     "raw_data[raw_data.isnull().any(axis=1)]"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "Non, il n'y en a pas. "
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -1464,6 +1457,11 @@
    "metadata": {},
    "outputs": [],
    "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": []
   }
  ],
  "metadata": {
@@ -1471,6 +1469,18 @@
    "display_name": "Python 3",
    "language": "python",
    "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.6.4"
   }
  },
  "nbformat": 4,