lecture_06(date,exception).ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "[문제69] 프로그램을 생성하세요.\n",
    "\n",
    "액수입력 : 362\n",
    "화폐단위를 입력하세요 : 100 50 1\n",
    "1원 : 12개\n",
    "50원 : 1개\n",
    "100원 : 3개\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 60,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "액수 입력 : 3620\n",
      "화폐단위를 입력하세요 : 1000 100 50 1\n",
      "1000원 : 3개\n",
      "100원 : 6개\n",
      "50원 : 0개\n",
      "1원 : 20개\n"
     ]
    }
   ],
   "source": [
    "def leftMoney():\n",
    "    m = int(input('액수 입력 : '))\n",
    "    unit = [int(x) for x in input('화폐단위를 입력하세요 : ').split(' ')]\n",
    "    unit.sort(reverse=True)\n",
    "    re = 0    \n",
    "    for i in unit:        \n",
    "        re, m = divmod(m,i)\n",
    "        print('%s원 : %s개'%(i,re))\n",
    "    \n",
    "leftMoney()\n",
    "        "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "ㅁ 날짜"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 66,
   "metadata": {},
   "outputs": [],
   "source": [
    "import datetime"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 71,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.date(2019, 5, 20)"
      ]
     },
     "execution_count": 71,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d = datetime.date.today()\n",
    "datetime.date.today()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 74,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2019"
      ]
     },
     "execution_count": 74,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.year"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 75,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "20"
      ]
     },
     "execution_count": 75,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.day"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 76,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "5"
      ]
     },
     "execution_count": 76,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d.month"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 79,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.date(2018, 3, 7)"
      ]
     },
     "execution_count": 79,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#날짜형으로 바꾸어주기!\n",
    "\n",
    "d1 = datetime.date(2018,3,7)\n",
    "d1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 80,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.date(2018, 3, 10)"
      ]
     },
     "execution_count": 80,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#날짜 수정\n",
    "d1.replace(day = 10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 81,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.date(2019, 5, 20)"
      ]
     },
     "execution_count": 81,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "d1.replace(year=2019, month=5, day=20)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 83,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.datetime(2019, 5, 20, 23, 22, 41, 42072)"
      ]
     },
     "execution_count": 83,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#날짜 + 시간까지\n",
    "dt=datetime.datetime.now()\n",
    "dt"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 84,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2019"
      ]
     },
     "execution_count": 84,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.year"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 85,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "5"
      ]
     },
     "execution_count": 85,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.month"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 86,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "20"
      ]
     },
     "execution_count": 86,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.day"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 87,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "23"
      ]
     },
     "execution_count": 87,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.hour"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 88,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "22"
      ]
     },
     "execution_count": 88,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.minute"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 89,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "41"
      ]
     },
     "execution_count": 89,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.second"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 90,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "42072"
      ]
     },
     "execution_count": 90,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.microsecond"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 91,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.date(2019, 5, 20)"
      ]
     },
     "execution_count": 91,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.date()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 92,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.time(23, 22, 41, 42072)"
      ]
     },
     "execution_count": 92,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.time()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 93,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 93,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.weekday()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "[문제71] 오늘이 무슨 요일인지 출력해주세요."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 99,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 99,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import datetime \n",
    "dt = datetime.datetime.now()\n",
    "dt.weekday()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 100,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "월요일\n"
     ]
    }
   ],
   "source": [
    "weekdays = ['월요일','화요일','수요일','목요일','금요일','토요일','일요일']\n",
    "print(weekdays[dt.weekday()])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 101,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'20190520'"
      ]
     },
     "execution_count": 101,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#날짜를 문자형으로 변환하기\n",
    "dt.strftime(\"%Y%m%d\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 102,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'2019 05 20 23 55 Monday May'"
      ]
     },
     "execution_count": 102,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt.strftime(\"%Y %m %d %H %S %A %B\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 103,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "UsageError: Line magic function `%Y` not found.\n"
     ]
    }
   ],
   "source": [
    "####\n",
    "    %Y : 년도 \n",
    "\n",
    "    %m : 월 \n",
    "\n",
    "    %d : 일 \n",
    "\n",
    "    %H : 시간 \n",
    "\n",
    "    %S : 분\n",
    "\n",
    "    %A : 요일 \n",
    "\n",
    "    %B : 달월\n",
    "###"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 106,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.datetime(2019, 5, 20, 15, 48)"
      ]
     },
     "execution_count": 106,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#날짜를 문자형,원하는 포맷으로 변환하기\n",
    "datetime.datetime.strptime(\"2019-05-20 15:48:00\", \"%Y-%m-%d %H:%M:%S\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 109,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.date(2018, 3, 7)"
      ]
     },
     "execution_count": 109,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# 시간정보만 표현하는 함수 : datetime.time(arg)\n",
    "datetime.date(2018,3,7)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 110,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.time(15, 53)"
      ]
     },
     "execution_count": 110,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "datetime.time(15,53,00)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 112,
   "metadata": {},
   "outputs": [
    {
     "ename": "AttributeError",
     "evalue": "module 'datetime' has no attribute 'combine'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mAttributeError\u001b[0m                            Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-112-7ed632ce4a8a>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      4\u001b[0m \u001b[0mt\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mdatetime\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mtime\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;36m15\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m53\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m00\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      5\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 6\u001b[1;33m \u001b[0mdatetime\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mcombine\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0md\u001b[0m\u001b[1;33m,\u001b[0m\u001b[0mt\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[1;31mAttributeError\u001b[0m: module 'datetime' has no attribute 'combine'"
     ]
    }
   ],
   "source": [
    "# datetime.combine()\n",
    "\n",
    "d = datetime.date(2018,3,7)\n",
    "t = datetime.time(15,53,00)\n",
    "\n",
    "datetime.combine(d,t)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# timedelta\n",
    "\n",
    "d = date.today\n",
    "d\n",
    ">\n",
    "datetime.date(2018, 3, 7)\n",
    "\n",
    "\n",
    "td = timedelta(days = 100)\n",
    "td\n",
    ">\n",
    "Out[235]: datetime.timedelta(100)\n",
    "\n",
    "d + td\n",
    ">\n",
    "Out[239]: datetime.date(2018, 6, 15)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "[문제72] 함수에 인수값으로 현재날짜, 일수 정보를 입력하면 더한 날짜정보가 리턴하는 next_day함수를 생성하세요."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 121,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "더할날자를 입력해 주세요 :100\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "'2019-08-29'"
      ]
     },
     "execution_count": 121,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from datetime import *\n",
    "\n",
    "def next_day():\n",
    "    \n",
    "    sum_date = timedelta(int(input('더할날자를 입력해 주세요 :')))\n",
    "    date = datetime.now()\n",
    "    \n",
    "    next_day = date+sum_date\n",
    "    return(next_day.strftime(\"%Y-%m-%d\"))\n",
    "    \n",
    "next_day()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 123,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2019-08-29\n"
     ]
    }
   ],
   "source": [
    "from datetime import *\n",
    "def next_day(arg1,arg2):\n",
    "    return(arg1 + timedelta(days=arg2))\n",
    "\n",
    "print(next_day(date.today(),100))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 125,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.datetime(2018, 3, 7, 16, 0)"
      ]
     },
     "execution_count": 125,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# 날짜 수식 계산\n",
    "dt1 = datetime(2018,3,7,16)\n",
    "dt1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 126,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.datetime(2018, 2, 7, 16, 0)"
      ]
     },
     "execution_count": 126,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dt2 = datetime(2018,2,7,16)\n",
    "dt2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 127,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.timedelta(days=28)"
      ]
     },
     "execution_count": 127,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "td = dt1 - dt2\n",
    "td"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 128,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "28"
      ]
     },
     "execution_count": 128,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "td.days"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 129,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 129,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "td.seconds"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 130,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 130,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "td.microseconds"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 131,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2419200.0"
      ]
     },
     "execution_count": 131,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "td.total_seconds() #모든 값들을 초단위로 모아서 변환"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "[문제73] 아래와 같은 결과가 출력될수 있도록 프로그램을 생성하세요\n",
    "\n",
    "\n",
    "1에서 천만까지 짝수합, 홀수합 구합니다\n",
    "1에서 천만까지 짝수합: 24999995000000\n",
    "1에서 천만까지 홀수합: 25000000000000\n",
    "처리시간 : 0:00:01.950003\n",
    "처리시간 millisecond(1/1000)  : 1950ms"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 184,
   "metadata": {},
   "outputs": [],
   "source": [
    "from datetime import *\n",
    "\n",
    "def sums():\n",
    "    odd_sum = 0\n",
    "    even_sum = 0\n",
    "    s_time = datetime.now()\n",
    "    for i in range(1,10000001):\n",
    "        if i%2 == 0:\n",
    "            even_sum += i\n",
    "        elif i%2 != 0:\n",
    "            odd_sum += i\n",
    "    e_time = datetime.now()\n",
    "    \n",
    "    time_delta = e_time - s_time\n",
    "    \n",
    "    print(\"1에서 천만까지 짝수합, 홀수합 구합니다\")\n",
    "    print(\"1에서 천만까지 짝수합: \",even_sum)\n",
    "    print(\"1에서 천만까지 홀수합: \",odd_sum)\n",
    "    print(\"처리시간 : \",time_delta)\n",
    "    ms = int(time_delta.total_seconds()*1000)\n",
    "    print(\"처리시간 millisecond(1/1000): {}ms\".format(ms))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 185,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1에서 천만까지 짝수합, 홀수합 구합니다\n",
      "1에서 천만까지 짝수합:  25000005000000\n",
      "1에서 천만까지 홀수합:  25000000000000\n",
      "처리시간 :  0:00:01.917294\n",
      "처리시간 millisecond(1/1000): 1917ms\n"
     ]
    }
   ],
   "source": [
    "sums()"
   ]
  }
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