Strings

Author: Shikha-code36

README.md

@@ -37,6 +37,7 @@ You can implement these notes in your own favourite programming language.
     - [x] [Stack](Stack-and-Queue/stack.py)
     - [x] [Queue](Stack-and-Queue/queue.py)
 - [x] [Strings](Strings)
+    - [x] [Strings](Strings/Strings.ipynb)
     - [x] [KMP (Knuth Morris Pratt) Pattern Searching](Strings/KMP.py)
 - [x] [Trees](Trees)
     - [x] [Binary Search Tree](Trees/binarysearchtree.py)

Strings/Strings.ipynb

@@ -0,0 +1,107 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "False\n",
+      "True\n"
+     ]
+    }
+   ],
+   "source": [
+    "#T:O(N)\n",
+    "def ispalindrome(s):\n",
+    "    return s==s[::-1]\n",
+    "s1= \"mike\"\n",
+    "s2= \"level\" \n",
+    "print(ispalindrome(s1))\n",
+    "print(ispalindrome(s2))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True\n"
+     ]
+    }
+   ],
+   "source": [
+    "#T:O(NLOGN)\n",
+    "def isanagram(s1,s2):\n",
+    "    return sorted(s1)==sorted(s2)\n",
+    "\n",
+    "print(isanagram(\"LISTEN\",\"SILENT\"))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True\n"
+     ]
+    }
+   ],
+   "source": [
+    "#T:O(N)\n",
+    "from collections import Counter\n",
+    "def isanagram(s1,s2):\n",
+    "    return Counter(s1)==Counter(s2) #compairing the freuency of each character\n",
+    "\n",
+    "print(isanagram(\"LISTEN\",\"SILENT\")) "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#Sort by len algorithm\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3.9.7 64-bit",
+   "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": "3.9.7"
+  },
+  "orig_nbformat": 4,
+  "vscode": {
+   "interpreter": {
+    "hash": "0d591c6e422414675974e227c13f5382000c440fedd3c5006ef2be5d887f0ba7"
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}