diff --git a/lectures/lecture09/lecture09.ipynb b/lectures/lecture09/lecture09.ipynb
index 63d1d74..02a56c5 100755
--- a/lectures/lecture09/lecture09.ipynb
+++ b/lectures/lecture09/lecture09.ipynb
@@ -251,7 +251,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -399,7 +399,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [],
    "source": [