GetDate

GetDate.ipynb

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   "source": [
    "import datetime"
   ]
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   "source": [
    "def get_date(day_of_week,week_lag):\n",
    "    # day_of_week: the day of the week as an integer, where Monday is 0 and Sunday is 6.\n",
    "    # week_lag: number of weeks to get lagged\n",
    "    now = datetime.datetime.now()\n",
    "    return (now.date() \n",
    "            - datetime.timedelta(days=now.weekday())\n",
    "            +datetime.timedelta(days=day_of_week,weeks=-week_lag)\n",
    "            ).strftime('%Y-%m-%d')"
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    {
     "data": {
      "text/plain": [
       "'2019-04-19'"
      ]
     },
     "execution_count": 6,
     "metadata": {},
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   "source": [
    "# Last Friday = Friday(4) of last week(1)\n",
    "get_date(4,1)"
   ]
  }
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