diff --git a/module2/exo1/toy_notebook_en.ipynb b/module2/exo1/toy_notebook_en.ipynb
index 9dc4977658fe24cd01838b439eb28b37c008f933..5480ea816d366ffad9e396867e2e514e7474524c 100644
--- a/module2/exo1/toy_notebook_en.ipynb
+++ b/module2/exo1/toy_notebook_en.ipynb
@@ -6,7 +6,13 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# On the computation of $\\pi$\n"
+    "# On the computation of $\\pi$\n",
+    "\n",
+    "## Asking the maths library\n",
+    "My computer tells me that $\\pi$ is *approximatively*\n",
+    "\n",
+    "from math import *\n",
+    "print(pi)"
    ]
   }
  ],