diff --git a/BasicPython/Sets IN python/Python_Set.ipynb b/BasicPython/Sets IN python/Python_Set.ipynb
index 7ea6d08..b34c194 100644
--- a/BasicPython/Sets IN python/Python_Set.ipynb	
+++ b/BasicPython/Sets IN python/Python_Set.ipynb	
@@ -26,7 +26,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 39,
    "metadata": {},
    "outputs": [
     {
@@ -49,7 +49,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 40,
    "metadata": {},
    "outputs": [
     {
@@ -83,7 +83,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 41,
    "metadata": {},
    "outputs": [
     {
@@ -117,7 +117,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 42,
    "metadata": {},
    "outputs": [
     {
@@ -160,7 +160,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 43,
    "metadata": {},
    "outputs": [
     {
@@ -197,7 +197,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 44,
    "metadata": {},
    "outputs": [
     {
@@ -225,7 +225,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 45,
    "metadata": {},
    "outputs": [
     {
@@ -257,7 +257,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 46,
    "metadata": {},
    "outputs": [
     {
@@ -296,7 +296,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 47,
    "metadata": {},
    "outputs": [
     {
@@ -333,7 +333,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 48,
    "metadata": {},
    "outputs": [
     {
@@ -342,18 +342,8 @@
      "text": [
       "my_set         --> {'A', 'B'}\n",
       "After pop --> {'B'}\n",
-      "After pop --> set()\n"
-     ]
-    },
-    {
-     "ename": "KeyError",
-     "evalue": "'pop from an empty set'",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[1;31mKeyError\u001b[0m                                  Traceback (most recent call last)",
-      "Cell \u001b[1;32mIn[26], line 10\u001b[0m\n\u001b[0;32m      7\u001b[0m my_set\u001b[38;5;241m.\u001b[39mpop()\n\u001b[0;32m      8\u001b[0m \u001b[38;5;28mprint\u001b[39m (\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mAfter pop -->\u001b[39m\u001b[38;5;124m\"\u001b[39m, my_set)\n\u001b[1;32m---> 10\u001b[0m \u001b[43mmy_set\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mpop\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m                       \u001b[38;5;66;03m# Error; Set is empty; Under flow\u001b[39;00m\n\u001b[0;32m     11\u001b[0m \u001b[38;5;28mprint\u001b[39m (\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mAfter pop -->\u001b[39m\u001b[38;5;124m\"\u001b[39m, my_set)\n",
-      "\u001b[1;31mKeyError\u001b[0m: 'pop from an empty set'"
+      "After pop --> set()\n",
+      "Set is empty\n"
      ]
     }
    ],
@@ -387,9 +377,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 49,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "my_set            --> {'P', 'T', 'Q', 'R', 'S'}\n",
+      "Set after clear --> set()\n"
+     ]
+    }
+   ],
    "source": [
     "my_set = set(['P', 'Q', 'R', 'S','T' ])\n",
     "print (\"my_set            -->\", my_set)\n",
@@ -407,17 +406,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 50,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Set after delete --> set()\n"
+     ]
+    }
+   ],
    "source": [
-    "my_set = set([1,2,3,4,5 ])\n",
-    "print (\"my_set     -->\", my_set)\n",
-    "\n",
-    "del my_set\n",
-    "print (\"Set after delete -->\", my_set)   # Error\n",
-    "                                        # Set is deleted and still want to print\n",
-    "                                        # Exception should me handle\n"
+    "try:\n",
+    "    print(\"Set after delete -->\", my_set)\n",
+    "except NameError:\n",
+    "    print(\"Set is deleted and cannot be printed.\")\n"
    ]
   },
   {