Correcting a variable name as suggested in text

Author: Ratansingh648

Chapter01/Exercise20/Exercise20.ipynb

@@ -117,12 +117,12 @@
    ],
    "source": [
     "for i in range(3, 0, -1):\n",
-    "   print(i)"
+    "    print(i)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [
     {
@@ -149,7 +149,7 @@
    ],
    "source": [
     "name = 'Corey'\n",
-    "for i in range(3):\n",
+    "for j in range(3):\n",
     "    for i in name:\n",
     "        print(i)"
    ]
@@ -178,7 +178,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.7.4"
   }
  },
  "nbformat": 4,