IPython Notebook File for generating list of all Saturdays and Sundays for any given year

all_sundays_saturdays.ipynb

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     "text": [
      "07-01-17\n",
      "08-01-17\n",
      "14-01-17\n",
      "15-01-17\n",
      "21-01-17\n",
      "22-01-17\n",
      "28-01-17\n",
      "29-01-17\n",
      "04-02-17\n",
      "05-02-17\n",
      "11-02-17\n",
      "12-02-17\n",
      "18-02-17\n",
      "19-02-17\n",
      "25-02-17\n",
      "26-02-17\n",
      "04-03-17\n",
      "05-03-17\n",
      "11-03-17\n",
      "12-03-17\n",
      "18-03-17\n",
      "19-03-17\n",
      "25-03-17\n",
      "26-03-17\n",
      "01-04-17\n",
      "02-04-17\n",
      "08-04-17\n",
      "09-04-17\n",
      "15-04-17\n",
      "16-04-17\n",
      "22-04-17\n",
      "23-04-17\n",
      "29-04-17\n",
      "30-04-17\n",
      "06-05-17\n",
      "07-05-17\n",
      "13-05-17\n",
      "14-05-17\n",
      "20-05-17\n",
      "21-05-17\n",
      "27-05-17\n",
      "28-05-17\n",
      "03-06-17\n",
      "04-06-17\n",
      "10-06-17\n",
      "11-06-17\n",
      "17-06-17\n",
      "18-06-17\n",
      "24-06-17\n",
      "25-06-17\n",
      "01-07-17\n",
      "02-07-17\n",
      "08-07-17\n",
      "09-07-17\n",
      "15-07-17\n",
      "16-07-17\n",
      "22-07-17\n",
      "23-07-17\n",
      "29-07-17\n",
      "30-07-17\n",
      "05-08-17\n",
      "06-08-17\n",
      "12-08-17\n",
      "13-08-17\n",
      "19-08-17\n",
      "20-08-17\n",
      "26-08-17\n",
      "27-08-17\n",
      "02-09-17\n",
      "03-09-17\n",
      "09-09-17\n",
      "10-09-17\n",
      "16-09-17\n",
      "17-09-17\n",
      "23-09-17\n",
      "24-09-17\n",
      "30-09-17\n",
      "01-10-17\n",
      "07-10-17\n",
      "08-10-17\n",
      "14-10-17\n",
      "15-10-17\n",
      "21-10-17\n",
      "22-10-17\n",
      "28-10-17\n",
      "29-10-17\n",
      "04-11-17\n",
      "05-11-17\n",
      "11-11-17\n",
      "12-11-17\n",
      "18-11-17\n",
      "19-11-17\n",
      "25-11-17\n",
      "26-11-17\n",
      "02-12-17\n",
      "03-12-17\n",
      "09-12-17\n",
      "10-12-17\n",
      "16-12-17\n",
      "17-12-17\n",
      "23-12-17\n",
      "24-12-17\n",
      "30-12-17\n",
      "31-12-17\n"
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      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mStopIteration\u001b[0m                             Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-39-ded21717ab9f>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[0;32m     19\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     20\u001b[0m \u001b[1;32mfor\u001b[0m \u001b[0mi\u001b[0m \u001b[1;32min\u001b[0m \u001b[0mxrange\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;36m110\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m---> 21\u001b[1;33m     \u001b[1;32mprint\u001b[0m \u001b[0mnext\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0msats\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m     22\u001b[0m     \u001b[1;32mprint\u001b[0m \u001b[0mnext\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0msuns\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
      "\u001b[1;31mStopIteration\u001b[0m: "
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   "source": [
    "from datetime import date, timedelta\n",
    "\n",
    "def allsundays(year):\n",
    "   d = date(year, 1, 5)                    # January 1st\n",
    "   d += timedelta(days = 6 - d.weekday())  # First Sunday\n",
    "   while d.year == year:\n",
    "      yield d.strftime(\"%d-%m-%y\")\n",
    "      d += timedelta(days = 7)\n",
    "\n",
    "def allsaturdays(year):\n",
    "    d = date(year, 1, 5)                    # January 1st\n",
    "    d += timedelta(days = 5 - d.weekday())  # First Sunday\n",
    "    while d.year == year:\n",
    "        yield d.strftime(\"%d-%m-%y\")\n",
    "        d += timedelta(days = 7)\n",
    "\n",
    "sats = allsaturdays(2017)\n",
    "suns = allsundays(2017)\n",
    "\n",
    "for i in xrange(110):\n",
    "    print next(sats)\n",
    "    print next(suns)"
   ]
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