diff --git a/442385_Nanda_Sisken_Assign_3.ipynb b/442385_Nanda_Sisken_Assign_3.ipynb
index 78a5228..2244a37 100644
--- a/442385_Nanda_Sisken_Assign_3.ipynb
+++ b/442385_Nanda_Sisken_Assign_3.ipynb
@@ -1,32 +1,17 @@
 {
-  "nbformat": 4,
-  "nbformat_minor": 0,
-  "metadata": {
-    "colab": {
-      "provenance": [],
-      "collapsed_sections": []
-    },
-    "kernelspec": {
-      "name": "python3",
-      "display_name": "Python 3"
-    },
-    "language_info": {
-      "name": "python"
-    }
-  },
   "cells": [
     {
       "cell_type": "code",
+      "execution_count": 132,
+      "metadata": {
+        "id": "aDtFkeqAvLX2"
+      },
+      "outputs": [],
       "source": [
         "# Import Libraries\n",
         "import numpy as np\n",
         "import pandas as pd"
-      ],
-      "metadata": {
-        "id": "aDtFkeqAvLX2"
-      },
-      "execution_count": 132,
-      "outputs": []
+      ]
     },
     {
       "cell_type": "code",
@@ -38,14 +23,17 @@
       "source": [
         "# Define RouthStability Class \n",
         "class RouthStability():\n",
+        "\n",
         "  ## constructor takes string of coefficiens from polynomial\n",
         "  def __init__(self, den):\n",
         "    self.den = np.array([float(item) for item in den.split()])\n",
         "    self.deg = len(self.den)\n",
+        "\n",
         "  ## append k as constant in array\n",
         "  def set_k(self, k):\n",
         "    self.den = np.append(self.den, float(k))\n",
         "    self.deg += 1\n",
+        "\n",
         "  ## generate routh table and print its state\n",
         "  def calc_routh(self):\n",
         "    height = (self.deg+1)//2\n",
@@ -67,18 +55,22 @@
         "      print(\"SYSTEM IS STABLE\")\n",
         "    else:\n",
         "      print(\"SYSTEM IS UNSTABLE\")\n",
+        "\n",
         "  ## print generated route table\n",
         "  def show_tab(self):\n",
         "    print(self.df)\n",
+        "\n",
         "  ## return generated route DataFrame\n",
         "  def get_table(self):\n",
         "    return self.df\n",
+        "\n",
         "  ## return system stability as boolean\n",
         "  def is_stable(self):\n",
         "    flag = True\n",
         "    for item in self.df[0]:\n",
         "      if item < 0: flag = False\n",
         "    return flag\n",
+        "    \n",
         "  ## return the value of a polynomial\n",
         "  def get_poly(self, x):\n",
         "    total = 0\n",
@@ -90,27 +82,18 @@
     },
     {
       "cell_type": "code",
-      "source": [
-        "# First Testing\n",
-        "den = input(\"Enter your polynomial: \")\n",
-        "k_in = input(\"Enter your K: \")\n",
-        "\n",
-        "rs = RouthStability(den)\n",
-        "rs.set_k(k_in)\n",
-        "rs.calc_routh()"
-      ],
+      "execution_count": 134,
       "metadata": {
-        "id": "Je19fGrvtOu4",
         "colab": {
           "base_uri": "https://localhost:8080/"
         },
+        "id": "Je19fGrvtOu4",
         "outputId": "c99b1159-f745-4c3f-c012-c2f464b8edb0"
       },
-      "execution_count": 134,
       "outputs": [
         {
-          "output_type": "stream",
           "name": "stdout",
+          "output_type": "stream",
           "text": [
             "Enter your polynomial: 1 2 3 4 5\n",
             "Enter your K: 6\n",
@@ -123,19 +106,20 @@
             "SYSTEM IS UNSTABLE\n"
           ]
         }
-      ]
-    },
-    {
-      "cell_type": "code",
+      ],
       "source": [
-        "# Second Testing\n",
+        "# First Testing\n",
         "den = input(\"Enter your polynomial: \")\n",
         "k_in = input(\"Enter your K: \")\n",
         "\n",
         "rs = RouthStability(den)\n",
         "rs.set_k(k_in)\n",
         "rs.calc_routh()"
-      ],
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 136,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -143,11 +127,10 @@
         "id": "kFgcxNcscafI",
         "outputId": "25aadcc4-6a29-4c16-c992-46d95a56cbfb"
       },
-      "execution_count": 136,
       "outputs": [
         {
-          "output_type": "stream",
           "name": "stdout",
+          "output_type": "stream",
           "text": [
             "Enter your polynomial: 12 56 37 80\n",
             "Enter your K: 17\n",
@@ -160,19 +143,20 @@
             "SYSTEM IS STABLE\n"
           ]
         }
-      ]
-    },
-    {
-      "cell_type": "code",
+      ],
       "source": [
-        "# Third Testing\n",
+        "# Second Testing\n",
         "den = input(\"Enter your polynomial: \")\n",
         "k_in = input(\"Enter your K: \")\n",
         "\n",
         "rs = RouthStability(den)\n",
         "rs.set_k(k_in)\n",
         "rs.calc_routh()"
-      ],
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 137,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -180,11 +164,10 @@
         "id": "jaif_A4_hfeJ",
         "outputId": "0b387e7e-efbf-4f5c-fb45-d98489bbba3e"
       },
-      "execution_count": 137,
       "outputs": [
         {
-          "output_type": "stream",
           "name": "stdout",
+          "output_type": "stream",
           "text": [
             "Enter your polynomial: 1.2 6.81 7.31\n",
             "Enter your K: 3.141\n",
@@ -196,16 +179,31 @@
             "SYSTEM IS STABLE\n"
           ]
         }
+      ],
+      "source": [
+        "# Third Testing\n",
+        "den = input(\"Enter your polynomial: \")\n",
+        "k_in = input(\"Enter your K: \")\n",
+        "\n",
+        "rs = RouthStability(den)\n",
+        "rs.set_k(k_in)\n",
+        "rs.calc_routh()"
       ]
-    },
-    {
-      "cell_type": "code",
-      "source": [],
-      "metadata": {
-        "id": "SjkQCR9chk6P"
-      },
-      "execution_count": null,
-      "outputs": []
     }
-  ]
-}
\ No newline at end of file
+  ],
+  "metadata": {
+    "colab": {
+      "collapsed_sections": [],
+      "provenance": []
+    },
+    "kernelspec": {
+      "display_name": "Python 3",
+      "name": "python3"
+    },
+    "language_info": {
+      "name": "python"
+    }
+  },
+  "nbformat": 4,
+  "nbformat_minor": 0
+}