change variable name and update comment

Author: rmccorm4

built_in_functions/map.ipynb

@@ -23,7 +23,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [
     {
@@ -49,12 +49,12 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Map allows us to implement this in a much simpler and nicer way. Here you go:"
+    "Map allows us to implement this in a much simpler and nicer way:"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [
     {
@@ -86,7 +86,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [
     {
@@ -100,10 +100,10 @@
    ],
    "source": [
     "items = [1, 2, 3, 4, 5]\n",
-    "squared = list(map(lambda x: x**2, items))\n",
+    "squared_items = list(map(lambda x: x**2, items))\n",
     "\n",
     "print(items)\n",
-    "print(squared)"
+    "print(squared_items)"
    ]
   },
   {
@@ -115,7 +115,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
@@ -143,13 +143,6 @@
     "    value = list(map(lambda x: x(i), funcs))\n",
     "    print(value)"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {