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problem solved #75

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c88558e
problem solved
sumitra1 Sep 29, 2018
8a80484
problem solved.
sumitra1 Sep 29, 2018
3cb5de3
problem solved
sumitra1 Jan 24, 2019
6965628
Created using Colaboratory
sumitra1 Jan 24, 2019
269b466
solved assesment
sumitra1 Jan 24, 2019
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393 changes: 393 additions & 0 deletions Lists.ipynb
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Original file line number Diff line number Diff line change
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{
"nbformat": 4,
"nbformat_minor": 0,
"metadata": {
"colab": {
"name": "Lists.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/sumitra1/Assignment-2/blob/sumitra1/Lists.ipynb)"
]
},
{
"metadata": {
"id": "e0R1W0Vzm4UU",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"# Exercise - List"
]
},
{
"metadata": {
"id": "TrO7XNQnnQZ7",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"1) Create any random list and assign it to a variable dummy_list"
]
},
{
"metadata": {
"id": "bjl-2QkznWid",
"colab_type": "code",
"colab": {}
},
"cell_type": "code",
"source": [
"dummy_list = [84,65.6,65,8.3,80.83,3.2,74.73,74,99.99,9.5]"
],
"execution_count": 0,
"outputs": []
},
{
"metadata": {
"id": "cDjddNGfngnp",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"2) print dummy_list"
]
},
{
"metadata": {
"id": "RVL5178inz9M",
"colab_type": "code",
"colab": {
"base_uri": "https://localhost:8080/",
"height": 34
},
"outputId": "22774ca7-934e-4958-ad45-b8cbc7410142"
},
"cell_type": "code",
"source": [
"print(dummy_list)"
],
"execution_count": 4,
"outputs": [
{
"output_type": "stream",
"text": [
"[84, 65.6, 65, 8.3, 80.83, 3.2, 74.73, 74, 99.99, 9.5]\n"
],
"name": "stdout"
}
]
},
{
"metadata": {
"id": "15jKDXxkn16M",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"3) Reverse dummy_list and print"
]
},
{
"metadata": {
"id": "bYa9gFOOn-4o",
"colab_type": "code",
"colab": {
"base_uri": "https://localhost:8080/",
"height": 34
},
"outputId": "8afe6cd6-6699-413b-f733-e68a820f160a"
},
"cell_type": "code",
"source": [
"dummy_list.reverse()\n",
"print(dummy_list)"
],
"execution_count": 5,
"outputs": [
{
"output_type": "stream",
"text": [
"[9.5, 99.99, 74, 74.73, 3.2, 80.83, 8.3, 65, 65.6, 84]\n"
],
"name": "stdout"
}
]
},
{
"metadata": {
"id": "EShv0nfXpUys",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"4) Add the list dummy_list_2 to the previous dummy_list and now print dummy_list"
]
},
{
"metadata": {
"id": "Ngkc7hnYphg6",
"colab_type": "code",
"colab": {
"base_uri": "https://localhost:8080/",
"height": 34
},
"outputId": "19d85b35-c291-42f7-a92c-5536b9f9bef7"
},
"cell_type": "code",
"source": [
"dummy_list_2 = [2, 200, 16, 4, 1, 0, 9.45, 45.67, 90, 12.01, 12.02]\n",
"dummy_list += dummy_list_2\n",
"print(dummy_list)"
],
"execution_count": 6,
"outputs": [
{
"output_type": "stream",
"text": [
"[9.5, 99.99, 74, 74.73, 3.2, 80.83, 8.3, 65, 65.6, 84, 2, 200, 16, 4, 1, 0, 9.45, 45.67, 90, 12.01, 12.02]\n"
],
"name": "stdout"
}
]
},
{
"metadata": {
"id": "Le1aRTuYoDzS",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"5) Create a dictionary named dummy_dict which contains all the elements of dummy_list as keys and frequency as values. "
]
},
{
"metadata": {
"id": "VHfSR_Csthnk",
"colab_type": "code",
"colab": {}
},
"cell_type": "code",
"source": [
"dummy_dict = {}"
],
"execution_count": 0,
"outputs": []
},
{
"metadata": {
"id": "rtPC6WkSos-y",
"colab_type": "code",
"colab": {}
},
"cell_type": "code",
"source": [
"\n",
"for item in range(len(dummy_list)):\n",
" dummy_dict[dummy_list[item]] = dummy_list.count(dummy_list[item])\n"
],
"execution_count": 0,
"outputs": []
},
{
"metadata": {
"id": "RgCYpFXGou6q",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"6) print dummy_dict"
]
},
{
"metadata": {
"id": "qe5E5IgxpTWU",
"colab_type": "code",
"colab": {
"base_uri": "https://localhost:8080/",
"height": 54
},
"outputId": "564a1b7b-37af-42d3-9146-653a2e903df1"
},
"cell_type": "code",
"source": [
"print(dummy_dict)\n"
],
"execution_count": 10,
"outputs": [
{
"output_type": "stream",
"text": [
"{9.5: 1, 99.99: 1, 74: 1, 74.73: 1, 3.2: 1, 80.83: 1, 8.3: 1, 65: 1, 65.6: 1, 84: 1, 2: 1, 200: 1, 16: 1, 4: 1, 1: 1, 0: 1, 9.45: 1, 45.67: 1, 90: 1, 12.01: 1, 12.02: 1}\n"
],
"name": "stdout"
}
]
},
{
"metadata": {
"id": "8n_nsBDup4--",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"7) Sort dummy_list in ascending order as well as descending order and print the changed lists "
]
},
{
"metadata": {
"id": "Z_m7vr26qKnK",
"colab_type": "code",
"colab": {
"base_uri": "https://localhost:8080/",
"height": 51
},
"outputId": "a65d6fa7-e8c2-4591-9e0c-f0a20e58280f"
},
"cell_type": "code",
"source": [
"dummy_list.sort()\n",
"print(dummy_list)\n",
"dummy_list.reverse()\n",
"print(dummy_list)"
],
"execution_count": 11,
"outputs": [
{
"output_type": "stream",
"text": [
"[0, 1, 2, 3.2, 4, 8.3, 9.45, 9.5, 12.01, 12.02, 16, 45.67, 65, 65.6, 74, 74.73, 80.83, 84, 90, 99.99, 200]\n",
"[200, 99.99, 90, 84, 80.83, 74.73, 74, 65.6, 65, 45.67, 16, 12.02, 12.01, 9.5, 9.45, 8.3, 4, 3.2, 2, 1, 0]\n"
],
"name": "stdout"
}
]
},
{
"metadata": {
"id": "Znm5Qo4LqPKA",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"8) Remove the first item from the list whose value is equal to x. It raises a ValueError if there is no such item."
]
},
{
"metadata": {
"id": "1-8mlngDqYvS",
"colab_type": "code",
"colab": {
"base_uri": "https://localhost:8080/",
"height": 231
},
"outputId": "1c84ca38-f79d-4431-b30b-e64bfc29e837"
},
"cell_type": "code",
"source": [
"x = 200\n",
"#dummy_list.insert(0,200)\n",
"dummy_list.remove(x)\n",
"print(dummy_list)\n",
"\n",
"# Let's play: try the same with something which is not in the list to get the ValueError\n",
"dummy_list.remove(200)\n",
"# 200 is not in the dummy_list , so we get error\n"
],
"execution_count": 12,
"outputs": [
{
"output_type": "stream",
"text": [
"[99.99, 90, 84, 80.83, 74.73, 74, 65.6, 65, 45.67, 16, 12.02, 12.01, 9.5, 9.45, 8.3, 4, 3.2, 2, 1, 0]\n"
],
"name": "stdout"
},
{
"output_type": "error",
"ename": "ValueError",
"evalue": "ignored",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mValueError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-12-7bcb43d41f6b>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m 5\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 6\u001b[0m \u001b[0;31m# Let's play: try the same with something which is not in the list to get the ValueError\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 7\u001b[0;31m \u001b[0mdummy_list\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mremove\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m200\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 8\u001b[0m \u001b[0;31m# 200 is not in the dummy_list , so we get error\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
"\u001b[0;31mValueError\u001b[0m: list.remove(x): x not in list"
]
}
]
},
{
"metadata": {
"id": "QPB6iGbeqviN",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"9) Remove the item at position x. x is any random integer"
]
},
{
"metadata": {
"id": "aMyo1gmRrVHo",
"colab_type": "code",
"colab": {}
},
"cell_type": "code",
"source": [
"# Let's play: try doing the same with x > len(dummy_list) + 1 and see what you get"
],
"execution_count": 0,
"outputs": []
},
{
"metadata": {
"id": "bqQnnsr8rm6G",
"colab_type": "text"
},
"cell_type": "markdown",
"source": [
"10) Let's clean everything clear the list and then print"
]
},
{
"metadata": {
"id": "qBC8lKpLrtJW",
"colab_type": "code",
"colab": {
"base_uri": "https://localhost:8080/",
"height": 34
},
"outputId": "8d327a40-1298-4a35-9b88-3e8dce54024f"
},
"cell_type": "code",
"source": [
"dummy_list.clear()\n",
"print(dummy_list)"
],
"execution_count": 13,
"outputs": [
{
"output_type": "stream",
"text": [
"[]\n"
],
"name": "stdout"
}
]
}
]
}
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