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| 1 | +{ |
| 2 | + "cells": [ |
| 3 | + { |
| 4 | + "cell_type": "markdown", |
| 5 | + "id": "8c2eb91b-a782-4871-9122-0b653889fbca", |
| 6 | + "metadata": {}, |
| 7 | + "source": [ |
| 8 | + "## 1]Check if a string is a plaindrome" |
| 9 | + ] |
| 10 | + }, |
| 11 | + { |
| 12 | + "cell_type": "code", |
| 13 | + "execution_count": 5, |
| 14 | + "id": "21030465-b98a-4583-b755-7fce292323fb", |
| 15 | + "metadata": {}, |
| 16 | + "outputs": [ |
| 17 | + { |
| 18 | + "name": "stdout", |
| 19 | + "output_type": "stream", |
| 20 | + "text": [ |
| 21 | + "False\n", |
| 22 | + "False\n", |
| 23 | + "True\n" |
| 24 | + ] |
| 25 | + } |
| 26 | + ], |
| 27 | + "source": [ |
| 28 | + "def is_palindrome(s):\n", |
| 29 | + " s=s.lower().replace(\"\",\"\")\n", |
| 30 | + " return s==s[::-1]\n", |
| 31 | + "print(is_palindrome(\"a man a plan a canal panama\"))\n", |
| 32 | + "print(is_palindrome(\"Hello\"))\n", |
| 33 | + "print(is_palindrome(\"aba\"))\n" |
| 34 | + ] |
| 35 | + }, |
| 36 | + { |
| 37 | + "cell_type": "markdown", |
| 38 | + "id": "cad35baa-c958-4cfe-9684-1a8c623d5169", |
| 39 | + "metadata": {}, |
| 40 | + "source": [ |
| 41 | + "## 2] Calculate the factorials of a number using recursion" |
| 42 | + ] |
| 43 | + }, |
| 44 | + { |
| 45 | + "cell_type": "code", |
| 46 | + "execution_count": 2, |
| 47 | + "id": "b6ec531f-8f6f-415d-abcf-cc63aec6ebfe", |
| 48 | + "metadata": {}, |
| 49 | + "outputs": [ |
| 50 | + { |
| 51 | + "name": "stdout", |
| 52 | + "output_type": "stream", |
| 53 | + "text": [ |
| 54 | + "720\n" |
| 55 | + ] |
| 56 | + } |
| 57 | + ], |
| 58 | + "source": [ |
| 59 | + "def factorial(n):\n", |
| 60 | + " if n==0:\n", |
| 61 | + " return 1\n", |
| 62 | + " else:\n", |
| 63 | + " return n * factorial(n-1)\n", |
| 64 | + "print(factorial(6))" |
| 65 | + ] |
| 66 | + }, |
| 67 | + { |
| 68 | + "cell_type": "markdown", |
| 69 | + "id": "24895723-19f2-4a65-a976-5166cf4d6531", |
| 70 | + "metadata": {}, |
| 71 | + "source": [ |
| 72 | + "## 3]A function to read a file and count the frequency of each word" |
| 73 | + ] |
| 74 | + }, |
| 75 | + { |
| 76 | + "cell_type": "code", |
| 77 | + "execution_count": 4, |
| 78 | + "id": "edc530ca-4ad1-4d62-b8f8-8ce5ca643a9f", |
| 79 | + "metadata": {}, |
| 80 | + "outputs": [ |
| 81 | + { |
| 82 | + "name": "stdout", |
| 83 | + "output_type": "stream", |
| 84 | + "text": [ |
| 85 | + "{'hello': 1, 'sunil': 2, 'how': 1, 'are': 3, 'you': 3, 'where': 1, 'what': 1, 'doing': 1, 'in': 1, 'pune': 1}\n" |
| 86 | + ] |
| 87 | + } |
| 88 | + ], |
| 89 | + "source": [ |
| 90 | + "def count_word_frequency(file_path):\n", |
| 91 | + " word_count={}\n", |
| 92 | + " with open (file_path,'r') as file:\n", |
| 93 | + " for line in file:\n", |
| 94 | + " words=line.split()\n", |
| 95 | + " for word in words:\n", |
| 96 | + " word=word.lower().strip('.,!?;:\"\\'')\n", |
| 97 | + " word_count[word]=word_count.get(word,0)+1\n", |
| 98 | + " return word_count\n", |
| 99 | + "\n", |
| 100 | + "filepath='sample.txt'\n", |
| 101 | + "word_frquency=count_word_frequency(filepath)\n", |
| 102 | + "print(word_frquency)" |
| 103 | + ] |
| 104 | + } |
| 105 | + ], |
| 106 | + "metadata": { |
| 107 | + "kernelspec": { |
| 108 | + "display_name": "Python 3 (ipykernel)", |
| 109 | + "language": "python", |
| 110 | + "name": "python3" |
| 111 | + }, |
| 112 | + "language_info": { |
| 113 | + "codemirror_mode": { |
| 114 | + "name": "ipython", |
| 115 | + "version": 3 |
| 116 | + }, |
| 117 | + "file_extension": ".py", |
| 118 | + "mimetype": "text/x-python", |
| 119 | + "name": "python", |
| 120 | + "nbconvert_exporter": "python", |
| 121 | + "pygments_lexer": "ipython3", |
| 122 | + "version": "3.12.7" |
| 123 | + } |
| 124 | + }, |
| 125 | + "nbformat": 4, |
| 126 | + "nbformat_minor": 5 |
| 127 | +} |
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