programs.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Palindrome"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "enter a string: 101\n",
      "palindrome\n"
     ]
    }
   ],
   "source": [
    "s=input(\"enter a string: \")\n",
    "rev=s[::-1]\n",
    "if s==rev:\n",
    "    print(\"palindrome\")\n",
    "else:\n",
    "    print(\"not a palindrome\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "enter a string: 101\n",
      "palindrome\n"
     ]
    }
   ],
   "source": [
    "s1=input(\"enter a string: \")\n",
    "rev1=\"\".join(reversed(s))\n",
    "if s==rev1:\n",
    "    print(\"palindrome\")\n",
    "else:\n",
    "    print(\"not a palindrome\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# String slicing"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      " \n",
      "g\n",
      " eve\n",
      " evening\n",
      "Good\n",
      "even\n",
      " eve\n",
      " v\n",
      "neve\n",
      " dooG\n",
      "gnineve\n"
     ]
    }
   ],
   "source": [
    "s=\"Good evening\"\n",
    "print(s[4])\n",
    "print(s[-1])\n",
    "print(s[4:8])\n",
    "print(s[4:])\n",
    "print(s[:4])\n",
    "print(s[-7:-3])\n",
    "print(s[4:8:1])\n",
    "print(s[4:8:2])\n",
    "print(s[8:4:-1])\n",
    "print(s[4::-1])\n",
    "print(s[:4:-1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "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": "3.7.2"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}