requested changes

Author: ManushiM

samples/04_gis_analysts_data_scientists/which_counties_and_states_have_access_to_airports.ipynb

@@ -676,7 +676,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## __2. Which counties are underserved by access to airports, despite average or greater population density?__\n"
+    "### __2. Which counties are underserved by access to airports, despite average or greater population density?__\n"
    ]
   },
   {
@@ -685,7 +685,7 @@
    "source": [
     "This leads us to find which of these missing counties do not have access to airports despite average or greater population density? \n",
     "\n",
-    "For this we use the `enrich_layer` analysis method to enrich the counties with data for population for each of these counties from the most recent year (2025) using the `TOTPOP_CY` variable."
+    "For this we use the `enrich_layer` analysis method to enrich the counties with population data from the most recent year (2025) using the TOTPOP_CY variable.\n"
    ]
   },
   {
@@ -704,6 +704,27 @@
     "from arcgis.features.analysis import enrich_layer"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Before we enrich our existing counties layer, let's delete any existing layer having the same title and then generate a layer with updated data."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 43,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "title = 'enriched_counties_2025'\n",
+    "\n",
+    "existing_enriched_item = gis.content.search(query='title:'+title)[0]\n",
+    "# delete it if it exists\n",
+    "if existing_enriched_item:\n",
+    "    existing_enriched_item.delete()"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 15,
@@ -739,7 +760,7 @@
     }
    ],
    "source": [
-    "enriched_counties = enrich_layer(counties_layer, analysis_variables=['TOTPOP_CY'], output_name='enriched_counties_2025')\n",
+    "enriched_counties = enrich_layer(counties_layer, analysis_variables=['TOTPOP_CY'], output_name=title)\n",
     "enriched_counties"
    ]
   },