diff --git a/module2/exo1/toy_notebook_fr.ipynb b/module2/exo1/toy_notebook_fr.ipynb
index 064cad304c33837bf273250809c446dbc4a7bd15..e8bc3096befc29c0b3a411081c1ef267f3c07d53 100644
--- a/module2/exo1/toy_notebook_fr.ipynb
+++ b/module2/exo1/toy_notebook_fr.ipynb
@@ -20,7 +20,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# À propos du calcul de $\\pi$"
+    "## À propos du calcul de $\\pi$"
    ]
   },
   {
@@ -31,6 +31,24 @@
     "Mon ordinateur m'indique que $\\pi$ vaut *approximativement*"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3.141592653589793\n"
+     ]
+    }
+   ],
+   "source": [
+    "In [1]: from math import *\n",
+    "print(pi)\n"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,