Clear 2_dictionaries outputs

Author: yammesicka

week4/2_Dictionaries.ipynb

@@ -1180,7 +1180,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 52,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1234,7 +1234,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 74,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [