string_______.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "ef6d1ec9",
   "metadata": {},
   "outputs": [],
   "source": [
    "a='hello this is demo'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "bff2ef77",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.isupper()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "bb0b25f8",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.islower()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "a69e7f7c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'HELLO THIS IS DEMO'"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.upper()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "415e6beb",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'hello this is demo'"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.lower()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "f29b615c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'hello this is demo'"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.format('t','p')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "7cb1c536",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['__add__', '__class__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__iter__', '__le__', '__len__', '__lt__', '__mod__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__rmod__', '__rmul__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'capitalize', 'casefold', 'center', 'count', 'encode', 'endswith', 'expandtabs', 'find', 'format', 'format_map', 'index', 'isalnum', 'isalpha', 'isascii', 'isdecimal', 'isdigit', 'isidentifier', 'islower', 'isnumeric', 'isprintable', 'isspace', 'istitle', 'isupper', 'join', 'ljust', 'lower', 'lstrip', 'maketrans', 'partition', 'removeprefix', 'removesuffix', 'replace', 'rfind', 'rindex', 'rjust', 'rpartition', 'rsplit', 'rstrip', 'split', 'splitlines', 'startswith', 'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill']\n"
     ]
    }
   ],
   "source": [
    "print(dir(a))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "2554417a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'hello phis is demo'"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.replace('t','p')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "f73f7525",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'HELLO THIS IS DEMO'"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.swapcase()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "edb74df5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'hello this is demo'"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.casefold()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "id": "b714b020",
   "metadata": {},
   "outputs": [],
   "source": [
    "d='THIS IS DEMO'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "6b333a04",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'this is demo'"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.casefold()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "4a39d182",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'THkS kS DEMO'"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.replace('I','k')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "35b6b534",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'ThHhIhSh hIhSh hDhEhMhO'"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'h'.join(d)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "90d0d6ab",
   "metadata": {},
   "outputs": [],
   "source": [
    "d='Hello {}'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "c12635f2",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Hello Jay'"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.format('Jay')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "id": "37fec332",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Hello vishal patel'"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.format('vishal patel')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "id": "fb73edcf",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.count('I')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "id": "cddf8f43",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.find('I')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "id": "209aede4",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.find('H')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "id": "99e521cb",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1"
      ]
     },
     "execution_count": 28,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.index('H')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "id": "b019b97a",
   "metadata": {},
   "outputs": [
    {
     "ename": "ValueError",
     "evalue": "substring not found",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mValueError\u001b[0m                                Traceback (most recent call last)",
      "Input \u001b[1;32mIn [29]\u001b[0m, in \u001b[0;36m<cell line: 1>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[0m \u001b[43md\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mindex\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[38;5;124;43mp\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[43m)\u001b[49m\n",
      "\u001b[1;31mValueError\u001b[0m: substring not found"
     ]
    }
   ],
   "source": [
    "\n",
    "d.index('p')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "979ca51a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "-1"
      ]
     },
     "execution_count": 30,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.find('p')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "cc9f8ddd",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
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   "file_extension": ".py",
   "mimetype": "text/x-python",
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   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
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 },
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