diff --git a/module2/exo2/data.csv b/module2/exo2/data.csv
new file mode 100644
index 0000000000000000000000000000000000000000..3dc28308c68512f669ddcb0e88cd9e1fa3c5c0ea
--- /dev/null
+++ b/module2/exo2/data.csv
@@ -0,0 +1,100 @@
+1.400000000000000000e+01
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diff --git a/module2/exo2/exercice.ipynb b/module2/exo2/exercice.ipynb
index 7801cde3a6e09141ca757cccf84516d9f768aa14..70e780c6fb773839f26c8b0fe6f04ff8cc12cb77 100644
--- a/module2/exo2/exercice.ipynb
+++ b/module2/exo2/exercice.ipynb
@@ -12,7 +12,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 14,
    "metadata": {},
    "outputs": [
     {
@@ -30,6 +30,7 @@
    ],
    "source": [
     "data = np.array([14.0, 7.6, 11.2, 12.8, 12.5, 9.9, 14.9, 9.4, 16.9, 10.2, 14.9, 18.1, 7.3, 9.8, 10.9,12.2, 9.9, 2.9, 2.8, 15.4, 15.7, 9.7, 13.1, 13.2, 12.3, 11.7, 16.0, 12.4, 17.9, 12.2, 16.2, 18.7, 8.9, 11.9, 12.1, 14.6, 12.1, 4.7, 3.9, 16.9, 16.8, 11.3, 14.4, 15.7, 14.0, 13.6, 18.0, 13.6, 19.9, 13.7, 17.0, 20.5, 9.9, 12.5, 13.2, 16.1, 13.5, 6.3, 6.4, 17.6, 19.1, 12.8, 15.5, 16.3, 15.2, 14.6, 19.1, 14.4, 21.4, 15.1, 19.6, 21.7, 11.3, 15.0, 14.3, 16.8, 14.0, 6.8, 8.2, 19.9, 20.4, 14.6, 16.4, 18.7, 16.8, 15.8, 20.4, 15.8, 22.4, 16.2, 20.3, 23.4, 12.1, 15.5, 15.4, 18.4, 15.7, 10.2, 8.9, 21.0])\n",
+    "np.savetxt(\"data.csv\", data, delimiter=',')\n",
     "mean = data.mean()\n",
     "std = data.std(ddof=1)\n",
     "maxi = data.max()\n",