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{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Found \"exercises\" at 7:16\n",
      "Found \"exercises\" at 22:31\n",
      "Found \"exercises\" at 36:45\n"
     ]
    }
   ],
   "source": [
    "# Write a Python program to find the occurrence and position of the substrings within a string.\n",
    "# \n",
    "# Input\n",
    "# text = 'Python exercises, PHP exercises, C# exercises'\n",
    "# pattern = 'exercises'\n",
    "# \n",
    "# Output\n",
    "# Found \"exercises\" at 7:16                                                                                     \n",
    "# Found \"exercises\" at 22:31                                                                                    \n",
    "# Found \"exercises\" at 36:45\n",
    "\n",
    "import re\n",
    "text = 'Python exercises, PHP exercises, C# exercises'\n",
    "pattern = 'exercises'\n",
    "for match in re.finditer(pattern, text):\n",
    "    s = match.start()\n",
    "    e = match.end()\n",
    "    print('Found \"%s\" at %d:%d' % (text[s:e], s, e))\n",
    "\t"
   ]
  }
 ],
 "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": "3.6.1"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}