{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "import datetime\n",
    "\n",
    "date_time_str = '2018-02-10'\n",
    "date_time_obj = datetime.datetime.strptime(date_time_str, '%Y-%m-%d')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "10"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "date_time_obj.day # should be 41"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.timedelta(days=40)"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "(date_time_obj - datetime.datetime(date_time_obj.year, 1, 1))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "41"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "datetime.timedelta(days=40).days + 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "https://leetcode.com/problems/day-of-the-year\n",
    "\n",
    "\n",
    "\n",
    "Runtime: 28 ms, faster than 80.58% of Python3 online submissions for Day of the Year.\n",
    "Memory Usage: 14.4 MB, less than 13.35% of Python3 online submissions for Day of the Year.\n",
    "\n",
    "\n",
    "\n",
    "```py\n",
    "import datetime\n",
    "\n",
    "class Solution:\n",
    "    def dayOfYear(self, date: str) -> int:\n",
    "        date_time_obj = datetime.datetime.strptime(date, '%Y-%m-%d')\n",
    "        return (date_time_obj - datetime.datetime(date_time_obj.year, 1, 1)).days + 1\n",
    "```\n",
    "\n",
    "spent 9 minutes\n",
    "\n",
    "1 attempt"
   ]
  },
  {
   "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": "3.8.5"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}