파이썬.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "97\n"
     ]
    }
   ],
   "source": [
    "a = 100\n",
    "result = a - 3\n",
    "a = result\n",
    "print(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "97\n"
     ]
    }
   ],
   "source": [
    "a = 100\n",
    "a = a - 3\n",
    "print(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 100\n",
    "a -= 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 0x10"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "16\n"
     ]
    }
   ],
   "source": [
    "print(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "59"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "35 + 24"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'3524'"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "\"35\" + \"24\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "59"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "int(\"35\") + int(\"24\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1000"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "1234\n",
    "-100\n",
    "\n",
    "10 + 3\n",
    "10 - 3\n",
    "10 * 3\n",
    "10 / 3\n",
    "10 // 3\n",
    "10 ** 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "7\n"
     ]
    }
   ],
   "source": [
    "c = 60\n",
    "c //= 8\n",
    "print(c)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "int(3.5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3.0"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "float(3)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 147"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'147'"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "str(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "147\n"
     ]
    }
   ],
   "source": [
    "print(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [],
   "source": [
    "lux = '빛으로 강타해요!'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'빛으로 강타해요!'"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "lux[:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'으로 강타해요!'"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "lux[1:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'빛으로 '"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "lux[:4]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'빛으로 강타'"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "lux[:-3]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'빛로강해!'"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "lux[::2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len('asdf')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4521430968"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "id('abc')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [],
   "source": [
    "girlsday = '민아,유라,소진,혜리'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['민아', '유라', '소진', '혜리']"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "girlsday.split(',')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "list"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "result = girlsday.split(',')\n",
    "type(result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['민아,유라,소진,혜리']"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "girlsday.split()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['민아', '유라', '소진', '혜리']"
      ]
     },
     "execution_count": 28,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'민아 유라 소진 혜리'.split()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [],
   "source": [
    "girlsday_list = girlsday.split(',')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "girlsday_list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'민아, 유라, 소진, 혜리'"
      ]
     },
     "execution_count": 30,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "', '.join(girlsday_list)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [],
   "source": [
    "str1 = '민아는 커피를 마신다'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [],
   "source": [
    "str2 = '유라는 커피를 마신다'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {},
   "outputs": [],
   "source": [
    "str3 = '혜리는 커피를 마신다'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "metadata": {},
   "outputs": [],
   "source": [
    "g1 = '민아'\n",
    "g2 = '유라'\n",
    "g3 = '혜리'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'민아는 커피를 마신다'"
      ]
     },
     "execution_count": 35,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'%s는 커피를 마신다' % g1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'유라는 커피를 마신다'"
      ]
     },
     "execution_count": 36,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'%s는 커피를 마신다' % g2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [],
   "source": [
    "format_string = '%s는 커피를 마신다'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'민아는 커피를 마신다'"
      ]
     },
     "execution_count": 38,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "format_string % g1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'유라는 커피를 마신다'"
      ]
     },
     "execution_count": 39,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "format_string % g2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'혜리는 커피를 마신다'"
      ]
     },
     "execution_count": 40,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "format_string % g3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'<built-in function id>'"
      ]
     },
     "execution_count": 41,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "str(id)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'지금 100%입니다'"
      ]
     },
     "execution_count": 42,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'지금 %d%%입니다' % 100"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'      10.0'"
      ]
     },
     "execution_count": 43,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'%10.1f' % (10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'        10'"
      ]
     },
     "execution_count": 44,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'%10d' % (10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'민아가 고기를 먹는다'"
      ]
     },
     "execution_count": 45,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'{person}가 {food}를 먹는다'.format(\n",
    "    person='민아',\n",
    "    food='고기',\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 46,
   "metadata": {},
   "outputs": [],
   "source": [
    "person = '민아'\n",
    "food = '고기'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'민아가 고기를 먹는다'"
      ]
     },
     "execution_count": 47,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'{}가 {}를 먹는다'.format(person, food)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 48,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'민아가 고기를 먹는다'"
      ]
     },
     "execution_count": 48,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f'{person}가 {food}를 먹는다'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 49,
   "metadata": {},
   "outputs": [
    {
     "ename": "NameError",
     "evalue": "name 'school' is not defined",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-49-e350fdf1ab28>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;34mf'{school}'\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;31mNameError\u001b[0m: name 'school' is not defined"
     ]
    }
   ],
   "source": [
    "f'{school}'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "multi_lines = '''지독하게 낮은 사속\n",
    "전체 RF 중 뒤에서 두 번째인 낮은 사속 때문에 저평가 받는다. 공속 꼴찌인 PTRD는 그래도 화력이 전체 3위라 5성 죽창을 그럭저럭 대체할 수 있지만, 모신나강의 화력은 느린 사속을 커버해주지 못한다. 이는 전용장비를 얻어도 마찬가지고, 개조를 하면 일부 커버가 가능하지만 제약이 많아 \n",
    "여전히 문제점으로 남는다.'''"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(multi_lines)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "multi_lines"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "'abc' * 10"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "sample_list2 = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "sample_list2[6]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "sample_list = ['a', 'b', 'c', 'd']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "sample_list[2] = 'C'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "sample_list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "sample_list2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "quarters = sample_list2[::3]\n",
    "print(quarters)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "last_three = sample_list2[:-4:-1]\n",
    "print(last_three)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "sample_list2[1:3]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "sample_list2[0:3]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "sample_list2[:3]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "reverse_two_steps = sample_list2[::-2]\n",
    "print(reverse_two_steps)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "lux = '빛으로 강타해요!'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "lux[::-1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits = 'apple,banana,melon'.split(',')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "colors = 'red,green,blue'.split(',')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "colors"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits.append(colors)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits.insert(1, 'mango')\n",
    "print(fruits)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits.insert(100, 'pineapple')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(fruits)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 12345678"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "id(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 'sdf'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "del a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "del fruits[-1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits.index('apple')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "'red' in fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "'apple' in fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list1 = ['b', 'c', 'a', 'f', 'e', 'd']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list_ori = list1.copy()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list_ori"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list1.sort()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list_ori"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "result = sorted(list_ori)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "result"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list_ori"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "var1 = 100\n",
    "var2 = var1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(var1)\n",
    "print(var2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "var1 = 200\n",
    "print(var1)\n",
    "print(var2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list1 = ['a', 'b', 'c']\n",
    "list2 = list1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(list1)\n",
    "print(list2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list1[0] = 'A'\n",
    "print(list1)\n",
    "print(list2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list1 = ['a', 'b', 'c']\n",
    "list2 = list1.copy()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(list1)\n",
    "print(list2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list1[0] = 'A'\n",
    "print(list1)\n",
    "print(list2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 3, 5\n",
    "b = (3, 5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(type(a))\n",
    "print(type(b))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(type(a))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = (3)\n",
    "type(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 3,"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = (3, )"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = (3, 5, 7)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "b = a[0]\n",
    "c = a[1]\n",
    "d = a[2]\n",
    "print(b, c, d)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "b, c, d = a\n",
    "print(b, c, d)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "x = 10\n",
    "y = 5"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "temp = x\n",
    "x = y\n",
    "y = temp\n",
    "print(x, y)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "x = 10\n",
    "y = 5\n",
    "print(x, y)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "(x, y) = (y, x)\n",
    "print(x, y)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = (3, 5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "list_str = list('Fastcampus')\n",
    "list_str"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "''.join(list_str)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "champion_dict = {\n",
    "    'Lux': 'the Lady of L..',\n",
    "    'Ahri': 'the Nine',\n",
    "    'Ezreal': 'the Prodigal',\n",
    "    'Teemo': 'the Swift',\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "champion_dict['Lux']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "champion_dict['Sona'] = 'Maven of the Strings'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "champion_dict['Sona']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "champion_dict.get('Soraka', 'Healer')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "champion_dict.get('Lux', 'Light')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "champion_dict.keys()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "champion_dict.values()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "champion_dict.items()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 딕셔너리, 셋 연습문제"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 1."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits = dict(apple='사과', banana='바나나', cherry='체리')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits = {\n",
    "    'apple': '사과',\n",
    "    'banana': '바나나',\n",
    "    'cherry': '체리',\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fruits_set = set(fruits)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(fruits_set)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "'durian' in fruits_set"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "girlgroups = {\n",
    "    'girlsday': {\n",
    "        'korean': '걸스데이',\n",
    "        'members': ['민아', '혜리', '소진', '유라'],\n",
    "    },\n",
    "    'redvelvet': {\n",
    "        'korean': '레드벨벳',\n",
    "        'members': '아이린,슬기,웬디,조이,예리'.split(','),\n",
    "    },\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "girlgroups.keys()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "girlgroups['girlsday'].keys()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "girlgroups['redvelvet'].values()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "x = {1,2,3,4,5,6,8}\n",
    "y = {4,5,6,9,10,11}\n",
    "z = {4,6,8,9,7,10,12}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "x & y & z"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "(y & z) - x"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "x - (y | z)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "is_holiday = False"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "if is_holiday:\n",
    "    print('Good')\n",
    "else:\n",
    "    print('Bad')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print('Good') if is_holiday else print('Bad')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "result = print('Good') if is_holiday else print('Bad')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 'ABC'\n",
    "print(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = print('ABC')\n",
    "print(a)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "result = 'Good' if is_holiday else 'Bad'\n",
    "print(result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "is_holiday = True\n",
    "if is_holiday:\n",
    "    result = 'Good'\n",
    "else:\n",
    "    result = 'Bad'\n",
    "\n",
    "print(result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "vacation = 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "if vacation >= 7:\n",
    "    result = 'Good'\n",
    "elif vacation >= 5:\n",
    "    result = 'Normal'\n",
    "else:\n",
    "    result = 'Bad'\n",
    "\n",
    "print(result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "result = 'Good' if vacation >= 7 else 'Normal' if vacation >= 5 else 'Bad'\n",
    "print(result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "champion_dict"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "for item in champion_dict:\n",
    "    print(item)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "for item in champion_dict.items():\n",
    "    print(item)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 50,
   "metadata": {},
   "outputs": [],
   "source": [
    "sample = [\n",
    "    [1,2,3],\n",
    "    [4,5,6],\n",
    "    [7,8,9],\n",
    "]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 51,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[[1, 2, 3], [4, 5, 6], [7, 8, 9]]\n"
     ]
    }
   ],
   "source": [
    "print(sample)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 52,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[1, 2, 3]\n",
      "[4, 5, 6]\n",
      "[7, 8, 9]\n"
     ]
    }
   ],
   "source": [
    "for item in sample:\n",
    "    print(item)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 53,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n",
      "2\n",
      "3\n",
      "4\n",
      "5\n",
      "6\n",
      "7\n",
      "8\n",
      "9\n"
     ]
    }
   ],
   "source": [
    "for row in sample:\n",
    "    for item in row:\n",
    "        print(item)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 63,
   "metadata": {},
   "outputs": [],
   "source": [
    "find = 8"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 59,
   "metadata": {},
   "outputs": [],
   "source": [
    "# find라는 변수가 가진 값이 sample을 순회하며 순회하는 item안에 존재하지 않았다면\n",
    "# '찾지못함' 이라는 문자열을 print\n",
    "# 존재한다면 해당 순간에 find에 해당하는 값을 찾았음을 알리고 break로 for loop탈출, 찾지못함이라는 문자열은 보여주지 않음\n",
    "\n",
    "# for-else를 쓰지 않고 구현 (for문 외부에 찾음/찾지못함을 저장할 변수 하나 필요)\n",
    "\n",
    "# for-else문을 사용할때는 for문 외부에 변수 없이 구현 가능. 만들어보기"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 64,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "8을/를 찾음\n"
     ]
    }
   ],
   "source": [
    "for item in sample:\n",
    "    if find in item:\n",
    "        print(f'{find}을/를 찾음')\n",
    "        break\n",
    "else:\n",
    "    print(f'{find}을/를 찾지 못함')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 73,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "10을/를 찾지 못함\n"
     ]
    }
   ],
   "source": [
    "sample = [1,2,3,4,5,6,7,8,9]\n",
    "find = 10\n",
    "found = False\n",
    "\n",
    "for item in sample:\n",
    "    if find == item:\n",
    "        print(f'{find}을/를 찾음')\n",
    "        found = True\n",
    "        break\n",
    "\n",
    "if not found:\n",
    "    print(f'{find}을/를 찾지 못함')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 85,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "fruit: apple, color: red\n",
      "fruit: banana, color: yellow\n",
      "fruit: melon, color: green\n",
      "fruit: grape, color: purple\n"
     ]
    }
   ],
   "source": [
    "fruits = 'apple,banana,melon,grape,orange'.split(',')\n",
    "colors = 'red yellow green purple'.split()\n",
    "\n",
    "for fruit, color in zip(fruits, colors):\n",
    "    print(f'fruit: {fruit}, color: {color}')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 86,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "apple red\n",
      "banana yellow\n",
      "melon green\n",
      "grape purple\n"
     ]
    },
    {
     "ename": "IndexError",
     "evalue": "list index out of range",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mIndexError\u001b[0m                                Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-86-53112f57af91>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0mindex\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      2\u001b[0m \u001b[0;32mfor\u001b[0m \u001b[0mfruit\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mfruits\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 3\u001b[0;31m     \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mfruit\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mcolors\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0mindex\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      4\u001b[0m     \u001b[0mindex\u001b[0m \u001b[0;34m+=\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mIndexError\u001b[0m: list index out of range"
     ]
    }
   ],
   "source": [
    "index = 0\n",
    "for fruit in fruits:\n",
    "    print(fruit, colors[index])\n",
    "    index += 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 103,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "red apple\n",
      "yellow banana\n",
      "green melon\n",
      "purple grape\n"
     ]
    }
   ],
   "source": [
    "# (index, <object>)\n",
    "# fruits가 더 길어도 오류가 나지 않도록\n",
    "# 1. 순회하는 iterable객체를 바꾸기 (더 짧은 걸로)\n",
    "# 2. 순회중에 반대쪽 리스트의 index를 넘어가는 경우에 대한 처리\n",
    "short_list = fruits\n",
    "long_list = colors\n",
    "if len(fruits) > len(colors):\n",
    "    short_list = colors\n",
    "    long_list = fruits\n",
    "# 조건표현식\n",
    "# 튜플언패킹\n",
    "\n",
    "short_list, long_list = (colors, fruits) if len(fruits) > len(colors) else (fruits, colors)\n",
    "\n",
    "for index, item in enumerate(short_list):\n",
    "    print(item, long_list[index])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 105,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "apple red\n",
      "banana yellow\n",
      "melon green\n",
      "grape purple\n"
     ]
    }
   ],
   "source": [
    "len_colors = len(colors)\n",
    "# fruits가 총 5개\n",
    "# colors는 총 4개\n",
    "# 어느 loop index에서 멈춰야 하는가\n",
    "for index, fruit in enumerate(fruits):\n",
    "    if index == len_colors:\n",
    "        break\n",
    "    print(fruit, colors[index])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 106,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "range(0, 10)"
      ]
     },
     "execution_count": 106,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "range(10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 107,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "range(1, 10)"
      ]
     },
     "execution_count": 107,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "range(1, 10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 108,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "range(1, 10, 2)"
      ]
     },
     "execution_count": 108,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "range(1, 10, 2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 110,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[2, 4, 6, 8, 10]"
      ]
     },
     "execution_count": 110,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[item * 2 for item in range(1, 6)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 111,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[2, 4, 6, 8, 10]"
      ]
     },
     "execution_count": 111,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[item for item in range(2, 12, 2)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 113,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[2, 4]"
      ]
     },
     "execution_count": 113,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[item for item in range(1, 6) if item % 2 == 0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 115,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[('red', 'apple'), ('red', 'banana'), ('red', 'melon'), ('red', 'grape'), ('red', 'orange'), ('yellow', 'apple'), ('yellow', 'banana'), ('yellow', 'melon'), ('yellow', 'grape'), ('yellow', 'orange'), ('green', 'apple'), ('green', 'banana'), ('green', 'melon'), ('green', 'grape'), ('green', 'orange'), ('purple', 'apple'), ('purple', 'banana'), ('purple', 'melon'), ('purple', 'grape'), ('purple', 'orange')]\n"
     ]
    }
   ],
   "source": [
    "results = []\n",
    "for color in colors:\n",
    "    for fruit in fruits:\n",
    "        results.append((color, fruit))\n",
    "\n",
    "print(results)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 117,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "(0, 0)\n",
      "(0, 1)\n",
      "(0, 2)\n",
      "(1, 0)\n",
      "(1, 1)\n",
      "(1, 2)\n",
      "(2, 0)\n",
      "(2, 1)\n",
      "(2, 2)\n",
      "(3, 0)\n",
      "(3, 1)\n",
      "(3, 2)\n",
      "(4, 0)\n",
      "(4, 1)\n",
      "(4, 2)\n",
      "(5, 0)\n",
      "(5, 1)\n",
      "(5, 2)\n"
     ]
    }
   ],
   "source": [
    "for i in range(6):\n",
    "    for j in range(3):\n",
    "        print((i, j))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 118,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[(0, 0),\n",
       " (0, 1),\n",
       " (0, 2),\n",
       " (1, 0),\n",
       " (1, 1),\n",
       " (1, 2),\n",
       " (2, 0),\n",
       " (2, 1),\n",
       " (2, 2),\n",
       " (3, 0),\n",
       " (3, 1),\n",
       " (3, 2),\n",
       " (4, 0),\n",
       " (4, 1),\n",
       " (4, 2),\n",
       " (5, 0),\n",
       " (5, 1),\n",
       " (5, 2)]"
      ]
     },
     "execution_count": 118,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[(x, y) for x in range(6) for y in range(3)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 124,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "(0, 0)\n",
      "(0, 1)\n",
      "(0, 2)\n",
      "(2, 0)\n",
      "(2, 1)\n",
      "(2, 2)\n",
      "(4, 0)\n",
      "(4, 1)\n",
      "(4, 2)\n"
     ]
    }
   ],
   "source": [
    "# for x in range(6):\n",
    "#     for y in range(3):\n",
    "#         if x % 2 == 0:\n",
    "#             print((x, y))\n",
    "            \n",
    "for x in range(6):\n",
    "    if x % 2 == 0:\n",
    "        for y in range(3):\n",
    "            print((x, y))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 126,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[(0, 0),\n",
       " (0, 1),\n",
       " (0, 2),\n",
       " (0, 3),\n",
       " (2, 0),\n",
       " (2, 1),\n",
       " (2, 2),\n",
       " (2, 3),\n",
       " (4, 0),\n",
       " (4, 1),\n",
       " (4, 2),\n",
       " (4, 3)]"
      ]
     },
     "execution_count": 126,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[(x, y) \n",
    " for x in range(6) \n",
    "     if x % 2 == 0 \n",
    "         for y in range(4)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 127,
   "metadata": {},
   "outputs": [],
   "source": [
    "result = 0\n",
    "for i in range(1000, 2001):\n",
    "    if i % 2 == 1:\n",
    "        result += i"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 128,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "750000\n"
     ]
    }
   ],
   "source": [
    "print(result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 130,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "750000"
      ]
     },
     "execution_count": 130,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sum([x for x in range(1000, 2001) if x % 2 == 1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 140,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "750000"
      ]
     },
     "execution_count": 140,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sum(range(1001, 2001, 2))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 132,
   "metadata": {},
   "outputs": [],
   "source": [
    "sum = 10"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 135,
   "metadata": {},
   "outputs": [],
   "source": [
    "del sum"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 136,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "6"
      ]
     },
     "execution_count": 136,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sum([1,2,3])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 137,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "45"
      ]
     },
     "execution_count": 137,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sum(range(10))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 138,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<function sum(iterable, start=0, /)>"
      ]
     },
     "execution_count": 138,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sum"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 143,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2단\n",
      "2 x 1 = 2\n",
      "2 x 2 = 4\n",
      "2 x 3 = 6\n",
      "2 x 4 = 8\n",
      "2 x 5 = 10\n",
      "2 x 6 = 12\n",
      "2 x 7 = 14\n",
      "2 x 8 = 16\n",
      "2 x 9 = 18\n",
      "\n",
      "3단\n",
      "3 x 1 = 3\n",
      "3 x 2 = 6\n",
      "3 x 3 = 9\n",
      "3 x 4 = 12\n",
      "3 x 5 = 15\n",
      "3 x 6 = 18\n",
      "3 x 7 = 21\n",
      "3 x 8 = 24\n",
      "3 x 9 = 27\n",
      "\n",
      "4단\n",
      "4 x 1 = 4\n",
      "4 x 2 = 8\n",
      "4 x 3 = 12\n",
      "4 x 4 = 16\n",
      "4 x 5 = 20\n",
      "4 x 6 = 24\n",
      "4 x 7 = 28\n",
      "4 x 8 = 32\n",
      "4 x 9 = 36\n",
      "\n",
      "5단\n",
      "5 x 1 = 5\n",
      "5 x 2 = 10\n",
      "5 x 3 = 15\n",
      "5 x 4 = 20\n",
      "5 x 5 = 25\n",
      "5 x 6 = 30\n",
      "5 x 7 = 35\n",
      "5 x 8 = 40\n",
      "5 x 9 = 45\n",
      "\n",
      "6단\n",
      "6 x 1 = 6\n",
      "6 x 2 = 12\n",
      "6 x 3 = 18\n",
      "6 x 4 = 24\n",
      "6 x 5 = 30\n",
      "6 x 6 = 36\n",
      "6 x 7 = 42\n",
      "6 x 8 = 48\n",
      "6 x 9 = 54\n",
      "\n",
      "7단\n",
      "7 x 1 = 7\n",
      "7 x 2 = 14\n",
      "7 x 3 = 21\n",
      "7 x 4 = 28\n",
      "7 x 5 = 35\n",
      "7 x 6 = 42\n",
      "7 x 7 = 49\n",
      "7 x 8 = 56\n",
      "7 x 9 = 63\n",
      "\n",
      "8단\n",
      "8 x 1 = 8\n",
      "8 x 2 = 16\n",
      "8 x 3 = 24\n",
      "8 x 4 = 32\n",
      "8 x 5 = 40\n",
      "8 x 6 = 48\n",
      "8 x 7 = 56\n",
      "8 x 8 = 64\n",
      "8 x 9 = 72\n",
      "\n",
      "9단\n",
      "9 x 1 = 9\n",
      "9 x 2 = 18\n",
      "9 x 3 = 27\n",
      "9 x 4 = 36\n",
      "9 x 5 = 45\n",
      "9 x 6 = 54\n",
      "9 x 7 = 63\n",
      "9 x 8 = 72\n",
      "9 x 9 = 81\n",
      "\n"
     ]
    }
   ],
   "source": [
    "for x in range(2, 10):\n",
    "    print(f'{x}단')\n",
    "    for y in range(1, 10):\n",
    "        print(f'{x} x {y} = {x * y}')\n",
    "    print('')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 144,
   "metadata": {},
   "outputs": [],
   "source": [
    "multiplication_table = [x * y for x in range(2, 10) for y in range(1, 10)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 153,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2단\n",
      "2단\n",
      "2 x 1 = 2\n",
      "2 x 2 = 4\n",
      "2 x 3 = 6\n",
      "2 x 4 = 8\n",
      "2 x 5 = 10\n",
      "2 x 6 = 12\n",
      "2 x 7 = 14\n",
      "2 x 8 = 16\n",
      "2 x 9 = 18\n",
      "\n",
      "3단\n",
      "3단\n",
      "3 x 1 = 3\n",
      "3 x 2 = 6\n",
      "3 x 3 = 9\n",
      "3 x 4 = 12\n",
      "3 x 5 = 15\n",
      "3 x 6 = 18\n",
      "3 x 7 = 21\n",
      "3 x 8 = 24\n",
      "3 x 9 = 27\n",
      "\n",
      "4단\n",
      "4단\n",
      "4 x 1 = 4\n",
      "4 x 2 = 8\n",
      "4 x 3 = 12\n",
      "4 x 4 = 16\n",
      "4 x 5 = 20\n",
      "4 x 6 = 24\n",
      "4 x 7 = 28\n",
      "4 x 8 = 32\n",
      "4 x 9 = 36\n",
      "\n",
      "5단\n",
      "5단\n",
      "5 x 1 = 5\n",
      "5 x 2 = 10\n",
      "5 x 3 = 15\n",
      "5 x 4 = 20\n",
      "5 x 5 = 25\n",
      "5 x 6 = 30\n",
      "5 x 7 = 35\n",
      "5 x 8 = 40\n",
      "5 x 9 = 45\n",
      "\n",
      "6단\n",
      "6단\n",
      "6 x 1 = 6\n",
      "6 x 2 = 12\n",
      "6 x 3 = 18\n",
      "6 x 4 = 24\n",
      "6 x 5 = 30\n",
      "6 x 6 = 36\n",
      "6 x 7 = 42\n",
      "6 x 8 = 48\n",
      "6 x 9 = 54\n",
      "\n",
      "7단\n",
      "7단\n",
      "7 x 1 = 7\n",
      "7 x 2 = 14\n",
      "7 x 3 = 21\n",
      "7 x 4 = 28\n",
      "7 x 5 = 35\n",
      "7 x 6 = 42\n",
      "7 x 7 = 49\n",
      "7 x 8 = 56\n",
      "7 x 9 = 63\n",
      "\n",
      "8단\n",
      "8단\n",
      "8 x 1 = 8\n",
      "8 x 2 = 16\n",
      "8 x 3 = 24\n",
      "8 x 4 = 32\n",
      "8 x 5 = 40\n",
      "8 x 6 = 48\n",
      "8 x 7 = 56\n",
      "8 x 8 = 64\n",
      "8 x 9 = 72\n",
      "\n",
      "9단\n",
      "9단\n",
      "9 x 1 = 9\n",
      "9 x 2 = 18\n",
      "9 x 3 = 27\n",
      "9 x 4 = 36\n",
      "9 x 5 = 45\n",
      "9 x 6 = 54\n",
      "9 x 7 = 63\n",
      "9 x 8 = 72\n",
      "9 x 9 = 81\n",
      "\n"
     ]
    }
   ],
   "source": [
    "for index, item in enumerate(multiplication_table):\n",
    "    # 첫 번째 loop의 단수: index = 0 -> 2\n",
    "    # 두 번째 loop의 단수: index = 9 -> 3\n",
    "    # 세 번째 loop의 단수: index = 18 -> 4\n",
    "    if index % 9 == 0:\n",
    "        print(f'{item}단')\n",
    "        print(f'{index // 9 + 2}단')\n",
    "        dan = item\n",
    "        \n",
    "    inner_index = index % 9 + 1\n",
    "    print(f'{dan} x {inner_index} = {item}')\n",
    "    \n",
    "    if index % 9 == 8:\n",
    "        print('')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 154,
   "metadata": {},
   "outputs": [],
   "source": [
    "seven_or_nine = [x for x in range(1, 100) if x % 7 == 0 or x % 9 == 0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 155,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[7,\n",
       " 9,\n",
       " 14,\n",
       " 18,\n",
       " 21,\n",
       " 27,\n",
       " 28,\n",
       " 35,\n",
       " 36,\n",
       " 42,\n",
       " 45,\n",
       " 49,\n",
       " 54,\n",
       " 56,\n",
       " 63,\n",
       " 70,\n",
       " 72,\n",
       " 77,\n",
       " 81,\n",
       " 84,\n",
       " 90,\n",
       " 91,\n",
       " 98,\n",
       " 99]"
      ]
     },
     "execution_count": 155,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "seven_or_nine"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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