diff --git a/shubhajit01.ipynb b/shubhajit01.ipynb
index 9e2543a..732b5b9 100644
--- a/shubhajit01.ipynb
+++ b/shubhajit01.ipynb
@@ -1,32 +1,73 @@
 {
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "Python 3",
-   "language": "python",
-   "name": "python3"
+  "nbformat": 4,
+  "nbformat_minor": 0,
+  "metadata": {
+    "colab": {
+      "name": "shubhajit01.ipynb",
+      "version": "0.3.2",
+      "provenance": []
+    },
+    "kernelspec": {
+      "display_name": "Python 3",
+      "language": "python",
+      "name": "python3"
+    }
   },
-  "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.5.2"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 2
-}
+  "cells": [
+    {
+      "metadata": {
+        "id": "vyo4dsNAgUTE",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 182
+        },
+        "outputId": "652304b0-ea2f-4e63-c90c-7dc8f0e7a4ad"
+      },
+      "cell_type": "code",
+      "source": [
+        "dummy_list = [1, 20, 30, 40, 90]\n",
+        "print(\"dummy_list = \",dummy_list)\n",
+        "print(\"dummy_list reversed = \",dummy_list[::-1])\n",
+        "dummy_list_2 = [2, 200, 16, 4, 1, 0, 9.45, 45.67, 90, 12.01, 12.02]\n",
+        "dummy_list.extend(dummy_list_2)\n",
+        "print(\"dummy_list after adding dummy_list_2 = \",dummy_list)\n",
+        "dummy_dict =  {}\n",
+        "for i in dummy_list:\n",
+        "\tif(i in dummy_dict):\n",
+        "\t\tdummy_dict[i] += 1\n",
+        "\telse:\n",
+        "\t\tdummy_dict[i] = 1\n",
+        "print(\"dummy_dict = \",dummy_dict)\n",
+        "print(\"dummy_list sorted = \",sorted(dummy_list))\n",
+        "print(\"dummy_list sorted descending = \",sorted(dummy_list,reverse=True))\n",
+        "x = 200\n",
+        "dummy_list.remove(x)\n",
+        "print(\"dummy_list after removing 200 = \",dummy_list)\n",
+        "y = 5\n",
+        "del dummy_list[5]\n",
+        "print(\"dummy_list after removing element at 5th position = \",dummy_list)\n",
+        "dummy_list.clear()\n",
+        "print(\"dummy_list after clearing = \",dummy_list)"
+      ],
+      "execution_count": 3,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "dummy_list =  [1, 20, 30, 40, 90]\n",
+            "dummy_list reversed =  [90, 40, 30, 20, 1]\n",
+            "dummy_list after adding dummy_list_2 =  [1, 20, 30, 40, 90, 2, 200, 16, 4, 1, 0, 9.45, 45.67, 90, 12.01, 12.02]\n",
+            "dummy_dict =  {1: 2, 20: 1, 30: 1, 40: 1, 90: 2, 2: 1, 200: 1, 16: 1, 4: 1, 0: 1, 9.45: 1, 45.67: 1, 12.01: 1, 12.02: 1}\n",
+            "dummy_list sorted =  [0, 1, 1, 2, 4, 9.45, 12.01, 12.02, 16, 20, 30, 40, 45.67, 90, 90, 200]\n",
+            "dummy_list sorted descending =  [200, 90, 90, 45.67, 40, 30, 20, 16, 12.02, 12.01, 9.45, 4, 2, 1, 1, 0]\n",
+            "dummy_list after removing 200 =  [1, 20, 30, 40, 90, 2, 16, 4, 1, 0, 9.45, 45.67, 90, 12.01, 12.02]\n",
+            "dummy_list after removing element at 5th position =  [1, 20, 30, 40, 90, 16, 4, 1, 0, 9.45, 45.67, 90, 12.01, 12.02]\n",
+            "dummy_list after clearing =  []\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file