practice .ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "f4a850c0",
   "metadata": {},
   "outputs": [],
   "source": [
    "k='hello this is demo'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "2acb401e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'hello this is demo'"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "0bcb402e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'hello that is demo'"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.replace('this','that')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "5ba61b81",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'hello this is demo'"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "12602a3e",
   "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(k))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "facb0300",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.isupper()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "c06763c4",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.islower()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "e8d7bb45",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'HELLO THIS IS DEMO'"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.upper()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "70f5bc68",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'hello this is demo'"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.lower()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "7be872ac",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.isnumeric()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "9fca32f6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.isdigit()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "ea6bdbc9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "-1"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.find('k')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "f556d429",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "6"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.find('t')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "b09c6889",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.find('e')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "831e647d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "15"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "k.rfind('e')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d0bbb228",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "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": "3.9.12"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}