diff --git a/module2/exo1/toy_notebook_en.ipynb b/module2/exo1/toy_notebook_en.ipynb
index 7ff8360dd9e86ed57dd4b9d45384089c75bee655..4076e2cc49c978ea97075d5cb2236f570b0bb4bf 100644
--- a/module2/exo1/toy_notebook_en.ipynb
+++ b/module2/exo1/toy_notebook_en.ipynb
@@ -6,8 +6,25 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# On the computation of \\pi\n",
-    "## Asking the maths library\n"
+    "# On the computation of $\\pi$\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "## Asking the maths library\n",
+    "My computer tells me that $\\pi$ is approximately"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "from math import *\n",
+    "print(pi)"
    ]
   }
  ],