Mona7584908095

Untitled4.ipynb

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+{
+  "nbformat": 4,
+  "nbformat_minor": 0,
+  "metadata": {
+    "colab": {
+      "name": "Untitled4.ipynb",
+      "version": "0.3.2",
+      "provenance": [],
+      "include_colab_link": true
+    },
+    "kernelspec": {
+      "name": "python3",
+      "display_name": "Python 3"
+    }
+  },
+  "cells": [
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "view-in-github",
+        "colab_type": "text"
+      },
+      "source": [
+        "[View in Colaboratory](https://colab.research.google.com/github/ASIF8240233397/Assignment-1/blob/master/Untitled4.ipynb)"
+      ]
+    },
+    {
+      "metadata": {
+        "id": "OL6c8amtTUaD",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 119
+        },
+        "outputId": "4d45a09c-01b6-4b3b-90c4-e884cc97ac44"
+      },
+      "cell_type": "code",
+      "source": [
+        "# Simple while\n",
+        "# Loop runs till the condition is True\n",
+        "v1 = 5\n",
+        "while v1 <= 10:\n",
+        "    print (v1)\n",
+        "    v1 += 1"
+      ],
+      "execution_count": 1,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "5\n",
+            "6\n",
+            "7\n",
+            "8\n",
+            "9\n",
+            "10\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    },
+    {
+      "metadata": {
+        "id": "qLs4URYsTdRs",
+        "colab_type": "code",
+        "colab": {}
+      },
+      "cell_type": "code",
+      "source": [
+        "# Infinite Loops\n",
+        "while 1:\n",
+        "    print (1)\n",
+        "    \n",
+        "while True:\n",
+        "    print (1)"
+      ],
+      "execution_count": 0,
+      "outputs": []
+    },
+    {
+      "metadata": {
+        "id": "9dbJ6GU-TgVm",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 34
+        },
+        "outputId": "2098c86e-161e-4f84-e794-16a0ec0e6b1c"
+      },
+      "cell_type": "code",
+      "source": [
+        "# One Liner while\n",
+        "v1 = 0\n",
+        "while v1 <= 40: v1 += 1\n",
+        "print (v1)"
+      ],
+      "execution_count": 3,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "41\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    },
+    {
+      "metadata": {
+        "id": "nRh8cLVTTqcO",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 34
+        },
+        "outputId": "ac619988-f986-4d72-e401-30aa56bb2cd2"
+      },
+      "cell_type": "code",
+      "source": [
+        "v1 = 2\n",
+        "++v1\n",
+        "++v1\n",
+        "print (v1)"
+      ],
+      "execution_count": 4,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "2\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    },
+    {
+      "metadata": {
+        "id": "oLznfARXTvKn",
+        "colab_type": "code",
+        "colab": {}
+      },
+      "cell_type": "code",
+      "source": [
+        "# Terminate loop on a certain user input\n",
+        "# Note: The loop will break only when the user inputs 100\n",
+        "v1 = 1\n",
+        "while v1 != 100:\n",
+        "    v1 = int(input(\"Enter new v1: \"))\n",
+        "    print (\"v1 modified to: \" + str(v1))"
+      ],
+      "execution_count": 0,
+      "outputs": []
+    },
+    {
+      "metadata": {
+        "id": "9SBSiHiGT3ia",
+        "colab_type": "code",
+        "colab": {}
+      },
+      "cell_type": "code",
+      "source": [
+        "# 'break' -> breaks out of loop, doesn't execute any statement after it\n",
+        "while 1:\n",
+        "    v1 = int(input())\n",
+        "    if v1 == 100: \n",
+        "        break;\n",
+        "    print (v1)"
+      ],
+      "execution_count": 0,
+      "outputs": []
+    },
+    {
+      "metadata": {
+        "id": "pF7mmykoT9he",
+        "colab_type": "code",
+        "colab": {}
+      },
+      "cell_type": "code",
+      "source": [
+        "# 'continue' -> continues to next iteration, skips all statements after it for that iteration\n",
+        "# Note: When 'v1' < 100 the last print statement is skipped and the control moves to the next iteration\n",
+        "while 1:\n",
+        "    print (\"Iteration begins\")\n",
+        "    v1 = int(input())\n",
+        "    if v1 == 100:\n",
+        "        break;\n",
+        "    elif v1 < 100:\n",
+        "        print (\"v1 less than 100\")\n",
+        "        continue;\n",
+        "    print (\"Iteration complete\")"
+      ],
+      "execution_count": 0,
+      "outputs": []
+    },
+    {
+      "metadata": {
+        "id": "oWWDTaY9UHNv",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 34
+        },
+        "outputId": "f9853ef4-0d82-4127-b415-d2eddd09e9f9"
+      },
+      "cell_type": "code",
+      "source": [
+        "# while with lists\n",
+        "l1 = [\"Jennifer\", 12, \"Python\", 'A', 56, 'B', 2.12, \"Scarlett\"]\n",
+        "l2 = []\n",
+        "i = 0\n",
+        "while i < len(l1):\n",
+        "    if type(l1[i]) == int:\n",
+        "        l2.append(l1[i])\n",
+        "    i += 1\n",
+        "print (l2)"
+      ],
+      "execution_count": 8,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "[12, 56]\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    },
+    {
+      "metadata": {
+        "id": "Qxh7TMd6UKEA",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 34
+        },
+        "outputId": "74503dc7-4707-4f3e-ef60-210abb272d16"
+      },
+      "cell_type": "code",
+      "source": [
+        "# Removing all instances of a specific value in list\n",
+        "l1 = ['A', 'B', 'C', 'D', 'A', 'E', 'Q', 'A', 'Z', 'A', 'Q', 'D', 'A']\n",
+        "while 'A' in l1: l1.remove('A')\n",
+        "print (l1)"
+      ],
+      "execution_count": 9,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "['B', 'C', 'D', 'E', 'Q', 'Z', 'Q', 'D']\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    },
+    {
+      "metadata": {
+        "id": "4gv8cxRlUOPF",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 90
+        },
+        "outputId": "0be2db46-ca04-4698-c835-d42574d6e07b"
+      },
+      "cell_type": "code",
+      "source": [
+        "# Filing a dictionary\n",
+        "d1 = {}\n",
+        "while 1:\n",
+        "    key   = input(\"Enter a key: \")\n",
+        "    value = input(\"Enter a value: \")\n",
+        "    d1[key] = value;\n",
+        "    if input(\"exit? \") == \"yes\": break;\n",
+        "print (d1)"
+      ],
+      "execution_count": 0,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "Enter a key: ASU\n",
+            "Enter a value: 250\n",
+            "exit? 25\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    }
+  ]
+}