03-1.ipynb

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      },
      "source": [
        "# 03-1 불필요한 데이터 삭제하기"
      ]
    },
    {
      "cell_type": "markdown",
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      "metadata": {
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      "source": [
        "<table class=\"tfo-notebook-buttons\" align=\"left\">\n",
        "  <td>\n",
        "    <a target=\"_blank\" href=\"https://nbviewer.jupyter.org/github/rickiepark/hg-da/blob/main/03-1.ipynb\"><img src=\"https://jupyter.org/assets/share.png\" width=\"61\" />주피터 노트북 뷰어로 보기</a>\n",
        "  </td>\n",
        "  <td>\n",
        "    <a target=\"_blank\" href=\"https://colab.research.google.com/github/rickiepark/hg-da/blob/main/03-1.ipynb\"><img src=\"https://www.tensorflow.org/images/colab_logo_32px.png\" />구글 코랩(Colab)에서 실행하기</a>\n",
        "  </td>\n",
        "</table>"
      ]
    },
    {
      "cell_type": "markdown",
      "id": "f04f12b6",
      "metadata": {
        "id": "f04f12b6"
      },
      "source": [
        "## 열 삭제하기"
      ]
    },
    {
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      "execution_count": 1,
      "id": "b3722e5f",
      "metadata": {
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        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 109
        }
      },
      "outputs": [
        {
          "output_type": "stream",
          "name": "stderr",
          "text": [
            "Downloading...\n",
            "From: https://bit.ly/3RhoNho\n",
            "To: /content/ns_202104.csv\n",
            "100%|██████████| 57.6M/57.6M [00:00<00:00, 70.9MB/s]\n"
          ]
        },
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "'ns_202104.csv'"
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              "type": "string"
            }
          },
          "metadata": {},
          "execution_count": 1
        }
      ],
      "source": [
        "import gdown\n",
        "\n",
        "gdown.download('https://bit.ly/3RhoNho', 'ns_202104.csv', quiet=False)"
      ]
    },
    {
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              "   번호                    도서명                저자    출판사  발행년도           ISBN  \\\n",
              "0   1                인공지능과 흙            김동훈 지음    민음사  2021  9788937444319   \n",
              "1   2           가짜 행복 권하는 사회            김태형 지음   갈매나무  2021  9791190123969   \n",
              "2   3  나도 한 문장 잘 쓰면 바랄 게 없겠네            김선영 지음   블랙피쉬  2021  9788968332982   \n",
              "3   4                예루살렘 해변  이도 게펜 지음, 임재희 옮김  문학세계사  2021  9788970759906   \n",
              "4   5  김성곤의 중국한시기행 : 장강·황하 편            김성곤 지음    김영사  2021  9788934990833   \n",
              "\n",
              "  세트 ISBN 부가기호    권 주제분류번호  도서권수  대출건수        등록일자  Unnamed: 13  \n",
              "0     NaN  NaN  NaN    NaN     1     0  2021-03-19          NaN  \n",
              "1     NaN  NaN  NaN    NaN     1     0  2021-03-19          NaN  \n",
              "2     NaN  NaN  NaN    NaN     1     0  2021-03-19          NaN  \n",
              "3     NaN  NaN  NaN    NaN     1     0  2021-03-19          NaN  \n",
              "4     NaN  NaN  NaN    NaN     1     0  2021-03-19          NaN  "
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              "      <td>2021</td>\n",
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              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
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              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>2</td>\n",
              "      <td>가짜 행복 권하는 사회</td>\n",
              "      <td>김태형 지음</td>\n",
              "      <td>갈매나무</td>\n",
              "      <td>2021</td>\n",
              "      <td>9791190123969</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
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              "      <td>2021-03-19</td>\n",
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              "      <td>김선영 지음</td>\n",
              "      <td>블랙피쉬</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788968332982</td>\n",
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              "      <td>NaN</td>\n",
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              "      <th>3</th>\n",
              "      <td>4</td>\n",
              "      <td>예루살렘 해변</td>\n",
              "      <td>이도 게펜 지음, 임재희 옮김</td>\n",
              "      <td>문학세계사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788970759906</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
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              "      <td>2021-03-19</td>\n",
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              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>5</td>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
              "      <td>김영사</td>\n",
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              "      <td>9788934990833</td>\n",
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              "      <td>2021-03-19</td>\n",
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              "variable_name": "ns_df"
            }
          },
          "metadata": {},
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        }
      ],
      "source": [
        "import pandas as pd\n",
        "\n",
        "ns_df = pd.read_csv('ns_202104.csv', low_memory=False)\n",
        "ns_df.head()"
      ]
    },
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            "text/plain": [
              "   번호                    도서명                저자    출판사  발행년도           ISBN  \\\n",
              "0   1                인공지능과 흙            김동훈 지음    민음사  2021  9788937444319   \n",
              "1   2           가짜 행복 권하는 사회            김태형 지음   갈매나무  2021  9791190123969   \n",
              "2   3  나도 한 문장 잘 쓰면 바랄 게 없겠네            김선영 지음   블랙피쉬  2021  9788968332982   \n",
              "3   4                예루살렘 해변  이도 게펜 지음, 임재희 옮김  문학세계사  2021  9788970759906   \n",
              "4   5  김성곤의 중국한시기행 : 장강·황하 편            김성곤 지음    김영사  2021  9788934990833   \n",
              "\n",
              "  세트 ISBN 부가기호    권 주제분류번호  도서권수  대출건수        등록일자  \n",
              "0     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "1     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "2     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "3     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "4     NaN  NaN  NaN    NaN     1     0  2021-03-19  "
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              "      <td>문학세계사</td>\n",
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              "      <td>2021-03-19</td>\n",
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              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>5</td>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
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              "\n",
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              "\n",
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              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
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              "    width: 32px;\n",
              "  }\n",
              "\n",
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              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
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              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
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              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
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              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
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              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
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              "        console.error('Error during call to suggestCharts:', error);\n",
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              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
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              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-d1f528a0-bfee-4815-800d-5289f573fb51 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
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              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book"
            }
          },
          "metadata": {},
          "execution_count": 3
        }
      ],
      "source": [
        "ns_book = ns_df.loc[:, '번호':'등록일자']\n",
        "ns_book.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 4,
      "id": "d1557efc",
      "metadata": {
        "scrolled": true,
        "id": "d1557efc",
        "outputId": "28d13337-880b-453a-bc78-12a9f0f28eca",
        "colab": {
          "base_uri": "https://localhost:8080/"
        }
      },
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "Index(['번호', '도서명', '저자', '출판사', '발행년도', 'ISBN', '세트 ISBN', '부가기호', '권',\n",
            "       '주제분류번호', '도서권수', '대출건수', '등록일자', 'Unnamed: 13'],\n",
            "      dtype='object')\n"
          ]
        }
      ],
      "source": [
        "print(ns_df.columns)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 5,
      "id": "03dc3bb9",
      "metadata": {
        "id": "03dc3bb9",
        "outputId": "d02c0905-af4e-466c-dd97-bd7acd107379",
        "colab": {
          "base_uri": "https://localhost:8080/"
        }
      },
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "번호\n"
          ]
        }
      ],
      "source": [
        "print(ns_df.columns[0])"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 6,
      "id": "40d80289",
      "metadata": {
        "id": "40d80289",
        "outputId": "b29ca858-6354-4b13-e22b-cb67c3a1aef5",
        "colab": {
          "base_uri": "https://localhost:8080/"
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([ True,  True,  True,  True,  True,  True,  True,  True,  True,\n",
              "        True,  True,  True,  True, False])"
            ]
          },
          "metadata": {},
          "execution_count": 6
        }
      ],
      "source": [
        "ns_df.columns != 'Unnamed: 13'"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 7,
      "id": "3ad4fc12",
      "metadata": {
        "scrolled": true,
        "id": "3ad4fc12",
        "outputId": "e3887f54-2077-40a1-e262-b0a36243404a",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 310
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "   번호                    도서명                저자    출판사  발행년도           ISBN  \\\n",
              "0   1                인공지능과 흙            김동훈 지음    민음사  2021  9788937444319   \n",
              "1   2           가짜 행복 권하는 사회            김태형 지음   갈매나무  2021  9791190123969   \n",
              "2   3  나도 한 문장 잘 쓰면 바랄 게 없겠네            김선영 지음   블랙피쉬  2021  9788968332982   \n",
              "3   4                예루살렘 해변  이도 게펜 지음, 임재희 옮김  문학세계사  2021  9788970759906   \n",
              "4   5  김성곤의 중국한시기행 : 장강·황하 편            김성곤 지음    김영사  2021  9788934990833   \n",
              "\n",
              "  세트 ISBN 부가기호    권 주제분류번호  도서권수  대출건수        등록일자  \n",
              "0     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "1     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "2     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "3     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "4     NaN  NaN  NaN    NaN     1     0  2021-03-19  "
            ],
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              "    <div>\n",
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              "    .dataframe thead th {\n",
              "        text-align: right;\n",
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              "</style>\n",
              "<table border=\"1\" class=\"dataframe\">\n",
              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
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              "      <td>2021</td>\n",
              "      <td>9791190123969</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>3</td>\n",
              "      <td>나도 한 문장 잘 쓰면 바랄 게 없겠네</td>\n",
              "      <td>김선영 지음</td>\n",
              "      <td>블랙피쉬</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788968332982</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>4</td>\n",
              "      <td>예루살렘 해변</td>\n",
              "      <td>이도 게펜 지음, 임재희 옮김</td>\n",
              "      <td>문학세계사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788970759906</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>5</td>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
              "      <td>김영사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788934990833</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-edb4e0c2-ba20-4263-9f4a-857cfd2c35bf')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
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              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
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              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
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              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-edb4e0c2-ba20-4263-9f4a-857cfd2c35bf button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-edb4e0c2-ba20-4263-9f4a-857cfd2c35bf');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-2714078f-6f64-448e-9078-2bdb7cb4b875\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-2714078f-6f64-448e-9078-2bdb7cb4b875')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-2714078f-6f64-448e-9078-2bdb7cb4b875 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book"
            }
          },
          "metadata": {},
          "execution_count": 7
        }
      ],
      "source": [
        "selected_columns = ns_df.columns != 'Unnamed: 13'\n",
        "ns_book = ns_df.loc[:, selected_columns]\n",
        "ns_book.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 8,
      "id": "14d08e32",
      "metadata": {
        "id": "14d08e32",
        "outputId": "387045dc-3ae1-42ca-ceac-7a768f8999aa",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 310
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "   번호                    도서명                저자    출판사  발행년도           ISBN  \\\n",
              "0   1                인공지능과 흙            김동훈 지음    민음사  2021  9788937444319   \n",
              "1   2           가짜 행복 권하는 사회            김태형 지음   갈매나무  2021  9791190123969   \n",
              "2   3  나도 한 문장 잘 쓰면 바랄 게 없겠네            김선영 지음   블랙피쉬  2021  9788968332982   \n",
              "3   4                예루살렘 해변  이도 게펜 지음, 임재희 옮김  문학세계사  2021  9788970759906   \n",
              "4   5  김성곤의 중국한시기행 : 장강·황하 편            김성곤 지음    김영사  2021  9788934990833   \n",
              "\n",
              "  세트 ISBN    권 주제분류번호  도서권수  대출건수        등록일자  Unnamed: 13  \n",
              "0     NaN  NaN    NaN     1     0  2021-03-19          NaN  \n",
              "1     NaN  NaN    NaN     1     0  2021-03-19          NaN  \n",
              "2     NaN  NaN    NaN     1     0  2021-03-19          NaN  \n",
              "3     NaN  NaN    NaN     1     0  2021-03-19          NaN  \n",
              "4     NaN  NaN    NaN     1     0  2021-03-19          NaN  "
            ],
            "text/html": [
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              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>번호</th>\n",
              "      <th>도서명</th>\n",
              "      <th>저자</th>\n",
              "      <th>출판사</th>\n",
              "      <th>발행년도</th>\n",
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              "      <th>세트 ISBN</th>\n",
              "      <th>권</th>\n",
              "      <th>주제분류번호</th>\n",
              "      <th>도서권수</th>\n",
              "      <th>대출건수</th>\n",
              "      <th>등록일자</th>\n",
              "      <th>Unnamed: 13</th>\n",
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              "  </thead>\n",
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              "      <th>0</th>\n",
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              "      <td>인공지능과 흙</td>\n",
              "      <td>김동훈 지음</td>\n",
              "      <td>민음사</td>\n",
              "      <td>2021</td>\n",
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              "      <td>갈매나무</td>\n",
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              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>3</td>\n",
              "      <td>나도 한 문장 잘 쓰면 바랄 게 없겠네</td>\n",
              "      <td>김선영 지음</td>\n",
              "      <td>블랙피쉬</td>\n",
              "      <td>2021</td>\n",
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              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
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              "      <td>2021-03-19</td>\n",
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              "      <th>3</th>\n",
              "      <td>4</td>\n",
              "      <td>예루살렘 해변</td>\n",
              "      <td>이도 게펜 지음, 임재희 옮김</td>\n",
              "      <td>문학세계사</td>\n",
              "      <td>2021</td>\n",
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              "      <th>4</th>\n",
              "      <td>5</td>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
              "      <td>김영사</td>\n",
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              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
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              "    .colab-df-convert:hover {\n",
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              "\n",
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              "\n",
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              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
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              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-720ebf0a-5779-4a61-a15c-16773cb72739 button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-720ebf0a-5779-4a61-a15c-16773cb72739');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-7547558d-5752-4a37-8f8d-585b4c48d5c7\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-7547558d-5752-4a37-8f8d-585b4c48d5c7')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-7547558d-5752-4a37-8f8d-585b4c48d5c7 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book"
            }
          },
          "metadata": {},
          "execution_count": 8
        }
      ],
      "source": [
        "selected_columns = ns_df.columns != '부가기호'\n",
        "ns_book = ns_df.loc[:, selected_columns]\n",
        "ns_book.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 9,
      "id": "7b92a254",
      "metadata": {
        "id": "7b92a254",
        "outputId": "10d51ca8-7a91-4d9a-d623-50446162d001",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 310
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "   번호                    도서명                저자    출판사  발행년도           ISBN  \\\n",
              "0   1                인공지능과 흙            김동훈 지음    민음사  2021  9788937444319   \n",
              "1   2           가짜 행복 권하는 사회            김태형 지음   갈매나무  2021  9791190123969   \n",
              "2   3  나도 한 문장 잘 쓰면 바랄 게 없겠네            김선영 지음   블랙피쉬  2021  9788968332982   \n",
              "3   4                예루살렘 해변  이도 게펜 지음, 임재희 옮김  문학세계사  2021  9788970759906   \n",
              "4   5  김성곤의 중국한시기행 : 장강·황하 편            김성곤 지음    김영사  2021  9788934990833   \n",
              "\n",
              "  세트 ISBN 부가기호    권 주제분류번호  도서권수  대출건수        등록일자  \n",
              "0     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "1     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "2     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "3     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "4     NaN  NaN  NaN    NaN     1     0  2021-03-19  "
            ],
            "text/html": [
              "\n",
              "  <div id=\"df-88f64b36-de7f-406c-b3c1-8805c0c9829d\" class=\"colab-df-container\">\n",
              "    <div>\n",
              "<style scoped>\n",
              "    .dataframe tbody tr th:only-of-type {\n",
              "        vertical-align: middle;\n",
              "    }\n",
              "\n",
              "    .dataframe tbody tr th {\n",
              "        vertical-align: top;\n",
              "    }\n",
              "\n",
              "    .dataframe thead th {\n",
              "        text-align: right;\n",
              "    }\n",
              "</style>\n",
              "<table border=\"1\" class=\"dataframe\">\n",
              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>번호</th>\n",
              "      <th>도서명</th>\n",
              "      <th>저자</th>\n",
              "      <th>출판사</th>\n",
              "      <th>발행년도</th>\n",
              "      <th>ISBN</th>\n",
              "      <th>세트 ISBN</th>\n",
              "      <th>부가기호</th>\n",
              "      <th>권</th>\n",
              "      <th>주제분류번호</th>\n",
              "      <th>도서권수</th>\n",
              "      <th>대출건수</th>\n",
              "      <th>등록일자</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>0</th>\n",
              "      <td>1</td>\n",
              "      <td>인공지능과 흙</td>\n",
              "      <td>김동훈 지음</td>\n",
              "      <td>민음사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788937444319</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>2</td>\n",
              "      <td>가짜 행복 권하는 사회</td>\n",
              "      <td>김태형 지음</td>\n",
              "      <td>갈매나무</td>\n",
              "      <td>2021</td>\n",
              "      <td>9791190123969</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>3</td>\n",
              "      <td>나도 한 문장 잘 쓰면 바랄 게 없겠네</td>\n",
              "      <td>김선영 지음</td>\n",
              "      <td>블랙피쉬</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788968332982</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>4</td>\n",
              "      <td>예루살렘 해변</td>\n",
              "      <td>이도 게펜 지음, 임재희 옮김</td>\n",
              "      <td>문학세계사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788970759906</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>5</td>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
              "      <td>김영사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788934990833</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-88f64b36-de7f-406c-b3c1-8805c0c9829d')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-88f64b36-de7f-406c-b3c1-8805c0c9829d button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-88f64b36-de7f-406c-b3c1-8805c0c9829d');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-e49d32cf-7f77-4f8b-bce4-c6c2571d7ad1\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-e49d32cf-7f77-4f8b-bce4-c6c2571d7ad1')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
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              "    }\n",
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              "    90% {\n",
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              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-e49d32cf-7f77-4f8b-bce4-c6c2571d7ad1 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
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            ],
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              "type": "dataframe",
              "variable_name": "ns_book"
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          "execution_count": 9
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      ],
      "source": [
        "ns_book = ns_df.drop('Unnamed: 13', axis=1)\n",
        "ns_book.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 10,
      "id": "387e5ebf",
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        "colab": {
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              "   번호                    도서명                저자    출판사  발행년도           ISBN  \\\n",
              "0   1                인공지능과 흙            김동훈 지음    민음사  2021  9788937444319   \n",
              "1   2           가짜 행복 권하는 사회            김태형 지음   갈매나무  2021  9791190123969   \n",
              "2   3  나도 한 문장 잘 쓰면 바랄 게 없겠네            김선영 지음   블랙피쉬  2021  9788968332982   \n",
              "3   4                예루살렘 해변  이도 게펜 지음, 임재희 옮김  문학세계사  2021  9788970759906   \n",
              "4   5  김성곤의 중국한시기행 : 장강·황하 편            김성곤 지음    김영사  2021  9788934990833   \n",
              "\n",
              "  세트 ISBN    권 주제분류번호  도서권수  대출건수        등록일자  \n",
              "0     NaN  NaN    NaN     1     0  2021-03-19  \n",
              "1     NaN  NaN    NaN     1     0  2021-03-19  \n",
              "2     NaN  NaN    NaN     1     0  2021-03-19  \n",
              "3     NaN  NaN    NaN     1     0  2021-03-19  \n",
              "4     NaN  NaN    NaN     1     0  2021-03-19  "
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              "      <td>김선영 지음</td>\n",
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              "      <td>NaN</td>\n",
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              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>4</td>\n",
              "      <td>예루살렘 해변</td>\n",
              "      <td>이도 게펜 지음, 임재희 옮김</td>\n",
              "      <td>문학세계사</td>\n",
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              "      <td>9788970759906</td>\n",
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              "      <td>NaN</td>\n",
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              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>5</td>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
              "      <td>김영사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788934990833</td>\n",
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              "      <td>NaN</td>\n",
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              "      <td>2021-03-19</td>\n",
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              "  </tbody>\n",
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              "\n",
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              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-bf42d0cb-1673-4479-974a-f8869f5ca2d0 button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-bf42d0cb-1673-4479-974a-f8869f5ca2d0');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
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              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
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              "\n",
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              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-e4106ee3-960e-4236-b8d0-e82441c611cf button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book"
            }
          },
          "metadata": {},
          "execution_count": 10
        }
      ],
      "source": [
        "ns_book = ns_df.drop(['부가기호','Unnamed: 13'], axis=1)\n",
        "ns_book.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 11,
      "id": "9cdb51fa",
      "metadata": {
        "id": "9cdb51fa",
        "outputId": "1c856c66-0a44-4617-c7c3-725b0db50183",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 310
        }
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      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "   번호                    도서명                저자    출판사  발행년도           ISBN  \\\n",
              "0   1                인공지능과 흙            김동훈 지음    민음사  2021  9788937444319   \n",
              "1   2           가짜 행복 권하는 사회            김태형 지음   갈매나무  2021  9791190123969   \n",
              "2   3  나도 한 문장 잘 쓰면 바랄 게 없겠네            김선영 지음   블랙피쉬  2021  9788968332982   \n",
              "3   4                예루살렘 해변  이도 게펜 지음, 임재희 옮김  문학세계사  2021  9788970759906   \n",
              "4   5  김성곤의 중국한시기행 : 장강·황하 편            김성곤 지음    김영사  2021  9788934990833   \n",
              "\n",
              "  세트 ISBN    권  도서권수  대출건수        등록일자  \n",
              "0     NaN  NaN     1     0  2021-03-19  \n",
              "1     NaN  NaN     1     0  2021-03-19  \n",
              "2     NaN  NaN     1     0  2021-03-19  \n",
              "3     NaN  NaN     1     0  2021-03-19  \n",
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              "      <th>저자</th>\n",
              "      <th>출판사</th>\n",
              "      <th>발행년도</th>\n",
              "      <th>ISBN</th>\n",
              "      <th>세트 ISBN</th>\n",
              "      <th>권</th>\n",
              "      <th>도서권수</th>\n",
              "      <th>대출건수</th>\n",
              "      <th>등록일자</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>0</th>\n",
              "      <td>1</td>\n",
              "      <td>인공지능과 흙</td>\n",
              "      <td>김동훈 지음</td>\n",
              "      <td>민음사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788937444319</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>2</td>\n",
              "      <td>가짜 행복 권하는 사회</td>\n",
              "      <td>김태형 지음</td>\n",
              "      <td>갈매나무</td>\n",
              "      <td>2021</td>\n",
              "      <td>9791190123969</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>3</td>\n",
              "      <td>나도 한 문장 잘 쓰면 바랄 게 없겠네</td>\n",
              "      <td>김선영 지음</td>\n",
              "      <td>블랙피쉬</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788968332982</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>4</td>\n",
              "      <td>예루살렘 해변</td>\n",
              "      <td>이도 게펜 지음, 임재희 옮김</td>\n",
              "      <td>문학세계사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788970759906</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>5</td>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
              "      <td>김영사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788934990833</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-9b03b46c-4745-417b-9337-9a22c848727d')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
              "            style=\"display:none;\">\n",
              "\n",
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              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-9b03b46c-4745-417b-9337-9a22c848727d button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-9b03b46c-4745-417b-9337-9a22c848727d');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-9d168621-cff4-4d79-818e-e457919254c9\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-9d168621-cff4-4d79-818e-e457919254c9')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-9d168621-cff4-4d79-818e-e457919254c9 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book"
            }
          },
          "metadata": {},
          "execution_count": 11
        }
      ],
      "source": [
        "ns_book.drop('주제분류번호', axis=1, inplace=True)\n",
        "ns_book.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 12,
      "id": "708d77f3",
      "metadata": {
        "id": "708d77f3",
        "outputId": "591614c2-c531-4b81-f346-7e8850f2d34d",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 206
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "   번호           ISBN  도서권수  대출건수        등록일자\n",
              "0   1  9788937444319     1     0  2021-03-19\n",
              "1   2  9791190123969     1     0  2021-03-19\n",
              "2   3  9788968332982     1     0  2021-03-19\n",
              "3   4  9788970759906     1     0  2021-03-19\n",
              "4   5  9788934990833     1     0  2021-03-19"
            ],
            "text/html": [
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              "\n",
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              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
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              "\n",
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              "      const buttonEl =\n",
              "        document.querySelector('#df-be2b1b95-8d4d-4285-80c3-75f3b3dbd36c button.colab-df-convert');\n",
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              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
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              "        const element = document.querySelector('#df-be2b1b95-8d4d-4285-80c3-75f3b3dbd36c');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
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              "        element.appendChild(docLink);\n",
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              "    </g>\n",
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              "  </button>\n",
              "\n",
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              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-0dcf3106-71f2-43ad-8e40-b029c165d8b1 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book"
            }
          },
          "metadata": {},
          "execution_count": 12
        }
      ],
      "source": [
        "ns_book = ns_df.dropna(axis=1)\n",
        "ns_book.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 13,
      "id": "a7e77073",
      "metadata": {
        "id": "a7e77073",
        "outputId": "76bf22f4-d9d8-4df1-c6b2-2fa795fbb138",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 310
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "   번호                    도서명                저자    출판사  발행년도           ISBN  \\\n",
              "0   1                인공지능과 흙            김동훈 지음    민음사  2021  9788937444319   \n",
              "1   2           가짜 행복 권하는 사회            김태형 지음   갈매나무  2021  9791190123969   \n",
              "2   3  나도 한 문장 잘 쓰면 바랄 게 없겠네            김선영 지음   블랙피쉬  2021  9788968332982   \n",
              "3   4                예루살렘 해변  이도 게펜 지음, 임재희 옮김  문학세계사  2021  9788970759906   \n",
              "4   5  김성곤의 중국한시기행 : 장강·황하 편            김성곤 지음    김영사  2021  9788934990833   \n",
              "\n",
              "  세트 ISBN 부가기호    권 주제분류번호  도서권수  대출건수        등록일자  \n",
              "0     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "1     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "2     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "3     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "4     NaN  NaN  NaN    NaN     1     0  2021-03-19  "
            ],
            "text/html": [
              "\n",
              "  <div id=\"df-385c7ee7-34c6-4e17-85c5-82d9bd116aef\" class=\"colab-df-container\">\n",
              "    <div>\n",
              "<style scoped>\n",
              "    .dataframe tbody tr th:only-of-type {\n",
              "        vertical-align: middle;\n",
              "    }\n",
              "\n",
              "    .dataframe tbody tr th {\n",
              "        vertical-align: top;\n",
              "    }\n",
              "\n",
              "    .dataframe thead th {\n",
              "        text-align: right;\n",
              "    }\n",
              "</style>\n",
              "<table border=\"1\" class=\"dataframe\">\n",
              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>번호</th>\n",
              "      <th>도서명</th>\n",
              "      <th>저자</th>\n",
              "      <th>출판사</th>\n",
              "      <th>발행년도</th>\n",
              "      <th>ISBN</th>\n",
              "      <th>세트 ISBN</th>\n",
              "      <th>부가기호</th>\n",
              "      <th>권</th>\n",
              "      <th>주제분류번호</th>\n",
              "      <th>도서권수</th>\n",
              "      <th>대출건수</th>\n",
              "      <th>등록일자</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>0</th>\n",
              "      <td>1</td>\n",
              "      <td>인공지능과 흙</td>\n",
              "      <td>김동훈 지음</td>\n",
              "      <td>민음사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788937444319</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>2</td>\n",
              "      <td>가짜 행복 권하는 사회</td>\n",
              "      <td>김태형 지음</td>\n",
              "      <td>갈매나무</td>\n",
              "      <td>2021</td>\n",
              "      <td>9791190123969</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>3</td>\n",
              "      <td>나도 한 문장 잘 쓰면 바랄 게 없겠네</td>\n",
              "      <td>김선영 지음</td>\n",
              "      <td>블랙피쉬</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788968332982</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>4</td>\n",
              "      <td>예루살렘 해변</td>\n",
              "      <td>이도 게펜 지음, 임재희 옮김</td>\n",
              "      <td>문학세계사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788970759906</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>5</td>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
              "      <td>김영사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788934990833</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-385c7ee7-34c6-4e17-85c5-82d9bd116aef')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-385c7ee7-34c6-4e17-85c5-82d9bd116aef button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-385c7ee7-34c6-4e17-85c5-82d9bd116aef');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-e5a3ceff-b1ae-44b0-a282-d3ae9fcec141\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-e5a3ceff-b1ae-44b0-a282-d3ae9fcec141')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-e5a3ceff-b1ae-44b0-a282-d3ae9fcec141 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book"
            }
          },
          "metadata": {},
          "execution_count": 13
        }
      ],
      "source": [
        "ns_book = ns_df.dropna(axis=1, how='all')\n",
        "ns_book.head()"
      ]
    },
    {
      "cell_type": "markdown",
      "id": "769169e0",
      "metadata": {
        "id": "769169e0"
      },
      "source": [
        "## 행 삭제하기"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 14,
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              "   번호                                  도서명                    저자  \\\n",
              "2   3                나도 한 문장 잘 쓰면 바랄 게 없겠네                김선영 지음   \n",
              "3   4                              예루살렘 해변      이도 게펜 지음, 임재희 옮김   \n",
              "4   5                김성곤의 중국한시기행 : 장강·황하 편                김성곤 지음   \n",
              "5   6                        처음 읽는 음식의 세계사  미야자키 마사카츠 지음, 한세희 옮김   \n",
              "6   7  아르센 벵거 자서전 My Life in Red and White     아르센 벵거 지음, 이성모 옮김   \n",
              "\n",
              "            출판사  발행년도           ISBN 세트 ISBN 부가기호    권 주제분류번호  도서권수  대출건수  \\\n",
              "2          블랙피쉬  2021  9788968332982     NaN  NaN  NaN    NaN     1     0   \n",
              "3         문학세계사  2021  9788970759906     NaN  NaN  NaN    NaN     1     0   \n",
              "4           김영사  2021  9788934990833     NaN  NaN  NaN    NaN     1     0   \n",
              "5          탐나는책  2021  9791189550370     NaN  NaN  NaN    NaN     1     0   \n",
              "6  한즈미디어(한스미디어)  2021  9791160075793     NaN  NaN  NaN    NaN     1     0   \n",
              "\n",
              "         등록일자  \n",
              "2  2021-03-19  \n",
              "3  2021-03-19  \n",
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              "      <td>2021-03-19</td>\n",
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              "      <th>6</th>\n",
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              "      <td>아르센 벵거 자서전 My Life in Red and White</td>\n",
              "      <td>아르센 벵거 지음, 이성모 옮김</td>\n",
              "      <td>한즈미디어(한스미디어)</td>\n",
              "      <td>2021</td>\n",
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              "        document.querySelector('#df-f713999b-9429-411f-a9ef-497a5562940f button.colab-df-convert');\n",
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              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
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              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
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              "\n",
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              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
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              "        console.error('Error during call to suggestCharts:', error);\n",
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              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
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              "    (() => {\n",
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              "        document.querySelector('#df-ca8cf22f-1d2a-4711-9622-097dc9e4c847 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
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              "\n",
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      "execution_count": 15,
      "id": "533e84a8",
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            "text/plain": [
              "   번호                                  도서명                    저자  \\\n",
              "2   3                나도 한 문장 잘 쓰면 바랄 게 없겠네                김선영 지음   \n",
              "3   4                              예루살렘 해변      이도 게펜 지음, 임재희 옮김   \n",
              "4   5                김성곤의 중국한시기행 : 장강·황하 편                김성곤 지음   \n",
              "5   6                        처음 읽는 음식의 세계사  미야자키 마사카츠 지음, 한세희 옮김   \n",
              "6   7  아르센 벵거 자서전 My Life in Red and White     아르센 벵거 지음, 이성모 옮김   \n",
              "\n",
              "            출판사  발행년도           ISBN 세트 ISBN 부가기호    권 주제분류번호  도서권수  대출건수  \\\n",
              "2          블랙피쉬  2021  9788968332982     NaN  NaN  NaN    NaN     1     0   \n",
              "3         문학세계사  2021  9788970759906     NaN  NaN  NaN    NaN     1     0   \n",
              "4           김영사  2021  9788934990833     NaN  NaN  NaN    NaN     1     0   \n",
              "5          탐나는책  2021  9791189550370     NaN  NaN  NaN    NaN     1     0   \n",
              "6  한즈미디어(한스미디어)  2021  9791160075793     NaN  NaN  NaN    NaN     1     0   \n",
              "\n",
              "         등록일자  \n",
              "2  2021-03-19  \n",
              "3  2021-03-19  \n",
              "4  2021-03-19  \n",
              "5  2021-03-19  \n",
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              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>4</td>\n",
              "      <td>예루살렘 해변</td>\n",
              "      <td>이도 게펜 지음, 임재희 옮김</td>\n",
              "      <td>문학세계사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788970759906</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>5</td>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
              "      <td>김영사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788934990833</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>5</th>\n",
              "      <td>6</td>\n",
              "      <td>처음 읽는 음식의 세계사</td>\n",
              "      <td>미야자키 마사카츠 지음, 한세희 옮김</td>\n",
              "      <td>탐나는책</td>\n",
              "      <td>2021</td>\n",
              "      <td>9791189550370</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>6</th>\n",
              "      <td>7</td>\n",
              "      <td>아르센 벵거 자서전 My Life in Red and White</td>\n",
              "      <td>아르센 벵거 지음, 이성모 옮김</td>\n",
              "      <td>한즈미디어(한스미디어)</td>\n",
              "      <td>2021</td>\n",
              "      <td>9791160075793</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-d9d879a6-2002-432c-b13a-42488c57b6fd')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-d9d879a6-2002-432c-b13a-42488c57b6fd button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-d9d879a6-2002-432c-b13a-42488c57b6fd');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-fe40af57-8301-4d68-bff6-4a3d328fd748\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-fe40af57-8301-4d68-bff6-4a3d328fd748')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-fe40af57-8301-4d68-bff6-4a3d328fd748 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book2"
            }
          },
          "metadata": {},
          "execution_count": 15
        }
      ],
      "source": [
        "ns_book2 = ns_book[2:]\n",
        "ns_book2.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 16,
      "id": "e0129f4b",
      "metadata": {
        "id": "e0129f4b",
        "outputId": "e6fcec63-bdc6-4555-9c58-205855df14b2",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 112
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "   번호           도서명      저자   출판사  발행년도           ISBN 세트 ISBN 부가기호    권  \\\n",
              "0   1       인공지능과 흙  김동훈 지음   민음사  2021  9788937444319     NaN  NaN  NaN   \n",
              "1   2  가짜 행복 권하는 사회  김태형 지음  갈매나무  2021  9791190123969     NaN  NaN  NaN   \n",
              "\n",
              "  주제분류번호  도서권수  대출건수        등록일자  \n",
              "0    NaN     1     0  2021-03-19  \n",
              "1    NaN     1     0  2021-03-19  "
            ],
            "text/html": [
              "\n",
              "  <div id=\"df-686b62ee-6902-45b7-8261-eacd17c57620\" class=\"colab-df-container\">\n",
              "    <div>\n",
              "<style scoped>\n",
              "    .dataframe tbody tr th:only-of-type {\n",
              "        vertical-align: middle;\n",
              "    }\n",
              "\n",
              "    .dataframe tbody tr th {\n",
              "        vertical-align: top;\n",
              "    }\n",
              "\n",
              "    .dataframe thead th {\n",
              "        text-align: right;\n",
              "    }\n",
              "</style>\n",
              "<table border=\"1\" class=\"dataframe\">\n",
              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>번호</th>\n",
              "      <th>도서명</th>\n",
              "      <th>저자</th>\n",
              "      <th>출판사</th>\n",
              "      <th>발행년도</th>\n",
              "      <th>ISBN</th>\n",
              "      <th>세트 ISBN</th>\n",
              "      <th>부가기호</th>\n",
              "      <th>권</th>\n",
              "      <th>주제분류번호</th>\n",
              "      <th>도서권수</th>\n",
              "      <th>대출건수</th>\n",
              "      <th>등록일자</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>0</th>\n",
              "      <td>1</td>\n",
              "      <td>인공지능과 흙</td>\n",
              "      <td>김동훈 지음</td>\n",
              "      <td>민음사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788937444319</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>2</td>\n",
              "      <td>가짜 행복 권하는 사회</td>\n",
              "      <td>김태형 지음</td>\n",
              "      <td>갈매나무</td>\n",
              "      <td>2021</td>\n",
              "      <td>9791190123969</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-686b62ee-6902-45b7-8261-eacd17c57620')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
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              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-686b62ee-6902-45b7-8261-eacd17c57620 button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-686b62ee-6902-45b7-8261-eacd17c57620');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-70b6c6eb-3baf-4cdb-946f-39394e581fbf\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-70b6c6eb-3baf-4cdb-946f-39394e581fbf')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
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              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-70b6c6eb-3baf-4cdb-946f-39394e581fbf button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book2",
              "repr_error": "Out of range float values are not JSON compliant: nan"
            }
          },
          "metadata": {},
          "execution_count": 16
        }
      ],
      "source": [
        "ns_book2 = ns_book[0:2]\n",
        "ns_book2.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 17,
      "id": "ac9d24f8",
      "metadata": {
        "id": "ac9d24f8",
        "outputId": "917e95c4-0f5a-4f61-b1fd-af4c7bb9d8b1",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 397
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "      번호                                                도서명  \\\n",
              "60    61       (맛있는 디자인)프리미어 프로 CC: 쉽게 배워 제대로 써먹는 유튜브 영상 편집   \n",
              "70    71         처음 배우는 애저 (Azure Portal로 배우는 애저 도입부터 활용까지)   \n",
              "88    89  맛있는 디자인 프리미어 프로 CC 2021 - 쉽게 배워 제대로 써먹는 유튜브 영상 편집   \n",
              "156  157                    실전 보고서 작성 기술 with 파워포인트, 워드, 한글   \n",
              "198  199                                    처음 배우는 리액트 네이티브   \n",
              "\n",
              "                           저자    출판사  발행년도           ISBN 세트 ISBN 부가기호     권  \\\n",
              "60         정지원,심수진,윤성우,김덕영 지음  한빛미디어  2021  9791162244029     NaN    1  2021   \n",
              "70                        김도균  한빛미디어  2020  9791162243695     NaN  NaN   NaN   \n",
              "88   정지원, 심수진, 윤성우, 김덕영 (지은이)  한빛미디어  2021  9791162244029     NaN  NaN   NaN   \n",
              "156                    홍장표 지음  한빛미디어  2020  9791162243763     NaN  NaN   NaN   \n",
              "198                    김범준 지음  한빛미디어  2021  9791162243879     NaN  NaN   NaN   \n",
              "\n",
              "      주제분류번호  도서권수  대출건수        등록일자  \n",
              "60   005.567     1     1  2021-03-15  \n",
              "70    005.74     1     1  2021-03-15  \n",
              "88       NaN     0     0  2021-03-15  \n",
              "156      NaN     1     0  2021-03-12  \n",
              "198      NaN     1     0  2021-03-12  "
            ],
            "text/html": [
              "\n",
              "  <div id=\"df-77f349ae-3992-4674-a827-ec496d523ec0\" class=\"colab-df-container\">\n",
              "    <div>\n",
              "<style scoped>\n",
              "    .dataframe tbody tr th:only-of-type {\n",
              "        vertical-align: middle;\n",
              "    }\n",
              "\n",
              "    .dataframe tbody tr th {\n",
              "        vertical-align: top;\n",
              "    }\n",
              "\n",
              "    .dataframe thead th {\n",
              "        text-align: right;\n",
              "    }\n",
              "</style>\n",
              "<table border=\"1\" class=\"dataframe\">\n",
              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>번호</th>\n",
              "      <th>도서명</th>\n",
              "      <th>저자</th>\n",
              "      <th>출판사</th>\n",
              "      <th>발행년도</th>\n",
              "      <th>ISBN</th>\n",
              "      <th>세트 ISBN</th>\n",
              "      <th>부가기호</th>\n",
              "      <th>권</th>\n",
              "      <th>주제분류번호</th>\n",
              "      <th>도서권수</th>\n",
              "      <th>대출건수</th>\n",
              "      <th>등록일자</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>60</th>\n",
              "      <td>61</td>\n",
              "      <td>(맛있는 디자인)프리미어 프로 CC: 쉽게 배워 제대로 써먹는 유튜브 영상 편집</td>\n",
              "      <td>정지원,심수진,윤성우,김덕영 지음</td>\n",
              "      <td>한빛미디어</td>\n",
              "      <td>2021</td>\n",
              "      <td>9791162244029</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>2021</td>\n",
              "      <td>005.567</td>\n",
              "      <td>1</td>\n",
              "      <td>1</td>\n",
              "      <td>2021-03-15</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>70</th>\n",
              "      <td>71</td>\n",
              "      <td>처음 배우는 애저 (Azure Portal로 배우는 애저 도입부터 활용까지)</td>\n",
              "      <td>김도균</td>\n",
              "      <td>한빛미디어</td>\n",
              "      <td>2020</td>\n",
              "      <td>9791162243695</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>005.74</td>\n",
              "      <td>1</td>\n",
              "      <td>1</td>\n",
              "      <td>2021-03-15</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>88</th>\n",
              "      <td>89</td>\n",
              "      <td>맛있는 디자인 프리미어 프로 CC 2021 - 쉽게 배워 제대로 써먹는 유튜브 영상 편집</td>\n",
              "      <td>정지원, 심수진, 윤성우, 김덕영 (지은이)</td>\n",
              "      <td>한빛미디어</td>\n",
              "      <td>2021</td>\n",
              "      <td>9791162244029</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>0</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-15</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>156</th>\n",
              "      <td>157</td>\n",
              "      <td>실전 보고서 작성 기술 with 파워포인트, 워드, 한글</td>\n",
              "      <td>홍장표 지음</td>\n",
              "      <td>한빛미디어</td>\n",
              "      <td>2020</td>\n",
              "      <td>9791162243763</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-12</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>198</th>\n",
              "      <td>199</td>\n",
              "      <td>처음 배우는 리액트 네이티브</td>\n",
              "      <td>김범준 지음</td>\n",
              "      <td>한빛미디어</td>\n",
              "      <td>2021</td>\n",
              "      <td>9791162243879</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-12</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-77f349ae-3992-4674-a827-ec496d523ec0')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-77f349ae-3992-4674-a827-ec496d523ec0 button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-77f349ae-3992-4674-a827-ec496d523ec0');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-7c088ec2-e095-4607-a680-421d656dff7c\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-7c088ec2-e095-4607-a680-421d656dff7c')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
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              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
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        "selected_rows = ns_df['출판사'] == '한빛미디어'\n",
        "ns_book2 = ns_book[selected_rows]\n",
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    {
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      "id": "7ea986a5",
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              "      번호                                                도서명  \\\n",
              "60    61       (맛있는 디자인)프리미어 프로 CC: 쉽게 배워 제대로 써먹는 유튜브 영상 편집   \n",
              "70    71         처음 배우는 애저 (Azure Portal로 배우는 애저 도입부터 활용까지)   \n",
              "88    89  맛있는 디자인 프리미어 프로 CC 2021 - 쉽게 배워 제대로 써먹는 유튜브 영상 편집   \n",
              "156  157                    실전 보고서 작성 기술 with 파워포인트, 워드, 한글   \n",
              "198  199                                    처음 배우는 리액트 네이티브   \n",
              "\n",
              "                           저자    출판사  발행년도           ISBN 세트 ISBN 부가기호     권  \\\n",
              "60         정지원,심수진,윤성우,김덕영 지음  한빛미디어  2021  9791162244029     NaN    1  2021   \n",
              "70                        김도균  한빛미디어  2020  9791162243695     NaN  NaN   NaN   \n",
              "88   정지원, 심수진, 윤성우, 김덕영 (지은이)  한빛미디어  2021  9791162244029     NaN  NaN   NaN   \n",
              "156                    홍장표 지음  한빛미디어  2020  9791162243763     NaN  NaN   NaN   \n",
              "198                    김범준 지음  한빛미디어  2021  9791162243879     NaN  NaN   NaN   \n",
              "\n",
              "      주제분류번호  도서권수  대출건수        등록일자  \n",
              "60   005.567     1     1  2021-03-15  \n",
              "70    005.74     1     1  2021-03-15  \n",
              "88       NaN     0     0  2021-03-15  \n",
              "156      NaN     1     0  2021-03-12  \n",
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              "      <td>(맛있는 디자인)프리미어 프로 CC: 쉽게 배워 제대로 써먹는 유튜브 영상 편집</td>\n",
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              "      <td>처음 배우는 애저 (Azure Portal로 배우는 애저 도입부터 활용까지)</td>\n",
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              "      <th>88</th>\n",
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              "      <td>정지원, 심수진, 윤성우, 김덕영 (지은이)</td>\n",
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              "      <td>2021</td>\n",
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              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
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              "      <td>0</td>\n",
              "      <td>2021-03-15</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>156</th>\n",
              "      <td>157</td>\n",
              "      <td>실전 보고서 작성 기술 with 파워포인트, 워드, 한글</td>\n",
              "      <td>홍장표 지음</td>\n",
              "      <td>한빛미디어</td>\n",
              "      <td>2020</td>\n",
              "      <td>9791162243763</td>\n",
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              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
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              "      <td>2021-03-12</td>\n",
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              "    <tr>\n",
              "      <th>198</th>\n",
              "      <td>199</td>\n",
              "      <td>처음 배우는 리액트 네이티브</td>\n",
              "      <td>김범준 지음</td>\n",
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              "      <td>2021-03-12</td>\n",
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              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
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              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-a90278a7-ca68-4fdc-8505-9379e18af727');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
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              "      border-color: transparent;\n",
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              "    60% {\n",
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              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
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              "\n",
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              "    async function quickchart(key) {\n",
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              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
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              "        console.error('Error during call to suggestCharts:', error);\n",
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              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
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              "    (() => {\n",
              "      let quickchartButtonEl =\n",
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              "      quickchartButtonEl.style.display =\n",
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      "id": "8a7bab5f",
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        "colab": {
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          "data": {
            "text/plain": [
              "            번호                                      도서명                 저자  \\\n",
              "94781    94782  사피엔스 :유인원에서 사이보그까지, 인간 역사의 대담하고 위대한 질문   유발 하라리 지음 ;조현욱 옮김   \n",
              "346944  346945                         해커스 토익:Listening       David Cho 지음   \n",
              "\n",
              "             출판사  발행년도           ISBN 세트 ISBN 부가기호    권  주제분류번호  도서권수  대출건수  \\\n",
              "94781        김영사  2016  9788934972464     NaN  NaN  NaN     909    30  1468   \n",
              "346944  해커스어학연구소  2005  9788990700148     NaN    1  NaN  740.77    29  1065   \n",
              "\n",
              "              등록일자  \n",
              "94781   2016-04-22  \n",
              "346944  2005-02-01  "
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              "      <th>세트 ISBN</th>\n",
              "      <th>부가기호</th>\n",
              "      <th>권</th>\n",
              "      <th>주제분류번호</th>\n",
              "      <th>도서권수</th>\n",
              "      <th>대출건수</th>\n",
              "      <th>등록일자</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>94781</th>\n",
              "      <td>94782</td>\n",
              "      <td>사피엔스 :유인원에서 사이보그까지, 인간 역사의 대담하고 위대한 질문</td>\n",
              "      <td>유발 하라리 지음 ;조현욱 옮김</td>\n",
              "      <td>김영사</td>\n",
              "      <td>2016</td>\n",
              "      <td>9788934972464</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>909</td>\n",
              "      <td>30</td>\n",
              "      <td>1468</td>\n",
              "      <td>2016-04-22</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>346944</th>\n",
              "      <td>346945</td>\n",
              "      <td>해커스 토익:Listening</td>\n",
              "      <td>David Cho 지음</td>\n",
              "      <td>해커스어학연구소</td>\n",
              "      <td>2005</td>\n",
              "      <td>9788990700148</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>NaN</td>\n",
              "      <td>740.77</td>\n",
              "      <td>29</td>\n",
              "      <td>1065</td>\n",
              "      <td>2005-02-01</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-9e2a6d35-c63e-4f0b-b4cb-fdcb102bdeaa')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
              "            style=\"display:none;\">\n",
              "\n",
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              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-9e2a6d35-c63e-4f0b-b4cb-fdcb102bdeaa button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-9e2a6d35-c63e-4f0b-b4cb-fdcb102bdeaa');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-35cdd783-50d5-4a90-8b7e-9d56d9d91820\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-35cdd783-50d5-4a90-8b7e-9d56d9d91820')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-35cdd783-50d5-4a90-8b7e-9d56d9d91820 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book2",
              "repr_error": "0"
            }
          },
          "metadata": {},
          "execution_count": 19
        }
      ],
      "source": [
        "ns_book2 = ns_book[ns_book['대출건수'] > 1000]\n",
        "ns_book2.head()"
      ]
    },
    {
      "cell_type": "markdown",
      "id": "519fd9a7",
      "metadata": {
        "id": "519fd9a7"
      },
      "source": [
        "## 중복된 행 찾기"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 20,
      "id": "c05d9727",
      "metadata": {
        "id": "c05d9727",
        "outputId": "ea6310a2-b031-450b-af48-eef2d467e4a5",
        "colab": {
          "base_uri": "https://localhost:8080/"
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "0"
            ]
          },
          "metadata": {},
          "execution_count": 20
        }
      ],
      "source": [
        "sum(ns_book.duplicated())"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 21,
      "id": "6c6be09b",
      "metadata": {
        "id": "6c6be09b",
        "outputId": "d9a6dfb1-e962-452b-eec9-60bcec0c1b4d",
        "colab": {
          "base_uri": "https://localhost:8080/"
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "22096"
            ]
          },
          "metadata": {},
          "execution_count": 21
        }
      ],
      "source": [
        "sum(ns_book.duplicated(subset=['도서명','저자','ISBN']))"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 22,
      "id": "9d823da1",
      "metadata": {
        "scrolled": true,
        "id": "9d823da1",
        "outputId": "ceb63ed1-a2c5-43d4-e679-a04ac718d393",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 310
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "      번호                  도서명                 저자           출판사  발행년도  \\\n",
              "109  110                  파친코     이민진 지음 ;이미정 옮김          문학사상  2018   \n",
              "110  111                  파친코     이민진 지음 ;이미정 옮김          문학사상  2018   \n",
              "111  112  보건교사 안은영 :정세랑 장편소설            지은이: 정세랑           민음사  2021   \n",
              "112  113  보건교사 안은영 :정세랑 장편소설            지은이: 정세랑           민음사  2021   \n",
              "113  114                 스토너   존 윌리엄스 지음 ;김승욱 옮김  RHK(알에이치코리아)  2021   \n",
              "\n",
              "              ISBN        세트 ISBN 부가기호    권 주제분류번호  도서권수  대출건수        등록일자  \n",
              "109  9788970129815  9788970129808    0    1  843.6     1     0  2021-03-12  \n",
              "110  9788970129822  9788970129808    0    2  843.6     1     0  2021-03-12  \n",
              "111  9788937479953            NaN    0  NaN  813.7     1     0  2021-03-12  \n",
              "112  9788937479953            NaN    0  NaN  813.7     1     1  2021-03-12  \n",
              "113  9788925538297            NaN    0  NaN  843.5     1     0  2021-03-12  "
            ],
            "text/html": [
              "\n",
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              "    <div>\n",
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              "      <th>109</th>\n",
              "      <td>110</td>\n",
              "      <td>파친코</td>\n",
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              "    <tr>\n",
              "      <th>111</th>\n",
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              "      <td>지은이: 정세랑</td>\n",
              "      <td>민음사</td>\n",
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              "    </tr>\n",
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              "      <th>113</th>\n",
              "      <td>114</td>\n",
              "      <td>스토너</td>\n",
              "      <td>존 윌리엄스 지음 ;김승욱 옮김</td>\n",
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              "    <div class=\"colab-df-buttons\">\n",
              "\n",
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              "            title=\"Convert this dataframe to an interactive table.\"\n",
              "            style=\"display:none;\">\n",
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              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
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              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-6274255f-96c5-4e19-8bbd-22392aaf5d43 button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-6274255f-96c5-4e19-8bbd-22392aaf5d43');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-73815f50-4da7-476f-abe6-04663c1e84d0\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-73815f50-4da7-476f-abe6-04663c1e84d0')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-73815f50-4da7-476f-abe6-04663c1e84d0 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book3",
              "repr_error": "0"
            }
          },
          "metadata": {},
          "execution_count": 22
        }
      ],
      "source": [
        "dup_rows = ns_book.duplicated(subset=['도서명','저자','ISBN'], keep=False)\n",
        "ns_book3 = ns_book[dup_rows]\n",
        "ns_book3.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 23,
      "id": "e32078bc",
      "metadata": {
        "id": "e32078bc"
      },
      "outputs": [],
      "source": [
        "count_df = ns_book[['도서명','저자','ISBN','권','대출건수']]"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 24,
      "id": "7c6d3e42",
      "metadata": {
        "id": "7c6d3e42"
      },
      "outputs": [],
      "source": [
        "group_df = count_df.groupby(by=['도서명','저자','ISBN','권'], dropna=False)\n",
        "loan_count = group_df.sum()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 25,
      "id": "938154d7",
      "metadata": {
        "scrolled": true,
        "id": "938154d7",
        "outputId": "007865bd-41b8-4ef4-e59b-b311b99ca091",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 237
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "                                                                                           대출건수\n",
              "도서명                                            저자                       ISBN          권        \n",
              "(꼭 필요한 것부터 쉽게 배우는) 자신만만 블로그 차근차근 배우기           김상현 지음                   9788955025637 NaN    38\n",
              "(맨처음 배우는) 세상의 직업                               엘레오노라 바르소티 글 ·그림 ;김태은 옮김 9788992924146 NaN    10\n",
              "(영잘원 리스닝과 패턴 영어의 절묘한 만남으로 태어난 ) 리스닝 ABC : 입문편  JD Kim 지음                9788993466089 NaN     4\n",
              "(즉석에서 바로바로 활용하는) 일상생활 베트남어 첫걸음                 FL4U컨텐츠 지음               9788971728000 NaN     3\n",
              ",에게                                            이기린(이진희)                 9791196137014 NaN     0"
            ],
            "text/html": [
              "\n",
              "  <div id=\"df-567cf1f1-4e64-4d8f-abd0-01dc01a42d97\" class=\"colab-df-container\">\n",
              "    <div>\n",
              "<style scoped>\n",
              "    .dataframe tbody tr th:only-of-type {\n",
              "        vertical-align: middle;\n",
              "    }\n",
              "\n",
              "    .dataframe tbody tr th {\n",
              "        vertical-align: top;\n",
              "    }\n",
              "\n",
              "    .dataframe thead th {\n",
              "        text-align: right;\n",
              "    }\n",
              "</style>\n",
              "<table border=\"1\" class=\"dataframe\">\n",
              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th></th>\n",
              "      <th></th>\n",
              "      <th></th>\n",
              "      <th>대출건수</th>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>도서명</th>\n",
              "      <th>저자</th>\n",
              "      <th>ISBN</th>\n",
              "      <th>권</th>\n",
              "      <th></th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>(꼭 필요한 것부터 쉽게 배우는) 자신만만 블로그 차근차근 배우기</th>\n",
              "      <th>김상현 지음</th>\n",
              "      <th>9788955025637</th>\n",
              "      <th>NaN</th>\n",
              "      <td>38</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>(맨처음 배우는) 세상의 직업</th>\n",
              "      <th>엘레오노라 바르소티 글 ·그림 ;김태은 옮김</th>\n",
              "      <th>9788992924146</th>\n",
              "      <th>NaN</th>\n",
              "      <td>10</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>(영잘원 리스닝과 패턴 영어의 절묘한 만남으로 태어난 ) 리스닝 ABC : 입문편</th>\n",
              "      <th>JD Kim 지음</th>\n",
              "      <th>9788993466089</th>\n",
              "      <th>NaN</th>\n",
              "      <td>4</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>(즉석에서 바로바로 활용하는) 일상생활 베트남어 첫걸음</th>\n",
              "      <th>FL4U컨텐츠 지음</th>\n",
              "      <th>9788971728000</th>\n",
              "      <th>NaN</th>\n",
              "      <td>3</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>,에게</th>\n",
              "      <th>이기린(이진희)</th>\n",
              "      <th>9791196137014</th>\n",
              "      <th>NaN</th>\n",
              "      <td>0</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-567cf1f1-4e64-4d8f-abd0-01dc01a42d97')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-567cf1f1-4e64-4d8f-abd0-01dc01a42d97 button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-567cf1f1-4e64-4d8f-abd0-01dc01a42d97');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-dd290064-bf11-4df9-a3fe-fd9ee74796f0\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-dd290064-bf11-4df9-a3fe-fd9ee74796f0')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-dd290064-bf11-4df9-a3fe-fd9ee74796f0 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "loan_count"
            }
          },
          "metadata": {},
          "execution_count": 25
        }
      ],
      "source": [
        "loan_count = count_df.groupby(by=['도서명','저자','ISBN','권'], dropna=False).sum()\n",
        "loan_count.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 26,
      "id": "24c8da0e",
      "metadata": {
        "id": "24c8da0e"
      },
      "outputs": [],
      "source": [
        "dup_rows = ns_book.duplicated(subset=['도서명','저자','ISBN','권'])\n",
        "unique_rows = ~dup_rows\n",
        "ns_book3 = ns_book[unique_rows].copy()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 27,
      "id": "f379795b",
      "metadata": {
        "id": "f379795b",
        "outputId": "af89e5f1-1255-4d03-c8c8-75f1ef619981",
        "colab": {
          "base_uri": "https://localhost:8080/"
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "0"
            ]
          },
          "metadata": {},
          "execution_count": 27
        }
      ],
      "source": [
        "sum(ns_book3.duplicated(subset=['도서명','저자','ISBN','권']))"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 28,
      "id": "70e3fd46",
      "metadata": {
        "id": "70e3fd46",
        "outputId": "c2f3eef5-fa58-4dd5-b838-7f556cebc4d6",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 341
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "                                                          번호    출판사  발행년도  \\\n",
              "도서명                   저자               ISBN          권                      \n",
              "인공지능과 흙               김동훈 지음           9788937444319 NaN   1    민음사  2021   \n",
              "가짜 행복 권하는 사회          김태형 지음           9791190123969 NaN   2   갈매나무  2021   \n",
              "나도 한 문장 잘 쓰면 바랄 게 없겠네 김선영 지음           9788968332982 NaN   3   블랙피쉬  2021   \n",
              "예루살렘 해변               이도 게펜 지음, 임재희 옮김 9788970759906 NaN   4  문학세계사  2021   \n",
              "김성곤의 중국한시기행 : 장강·황하 편 김성곤 지음           9788934990833 NaN   5    김영사  2021   \n",
              "\n",
              "                                                         세트 ISBN 부가기호 주제분류번호  \\\n",
              "도서명                   저자               ISBN          권                         \n",
              "인공지능과 흙               김동훈 지음           9788937444319 NaN     NaN  NaN    NaN   \n",
              "가짜 행복 권하는 사회          김태형 지음           9791190123969 NaN     NaN  NaN    NaN   \n",
              "나도 한 문장 잘 쓰면 바랄 게 없겠네 김선영 지음           9788968332982 NaN     NaN  NaN    NaN   \n",
              "예루살렘 해변               이도 게펜 지음, 임재희 옮김 9788970759906 NaN     NaN  NaN    NaN   \n",
              "김성곤의 중국한시기행 : 장강·황하 편 김성곤 지음           9788934990833 NaN     NaN  NaN    NaN   \n",
              "\n",
              "                                                          도서권수  대출건수  \\\n",
              "도서명                   저자               ISBN          권                 \n",
              "인공지능과 흙               김동훈 지음           9788937444319 NaN     1     0   \n",
              "가짜 행복 권하는 사회          김태형 지음           9791190123969 NaN     1     0   \n",
              "나도 한 문장 잘 쓰면 바랄 게 없겠네 김선영 지음           9788968332982 NaN     1     0   \n",
              "예루살렘 해변               이도 게펜 지음, 임재희 옮김 9788970759906 NaN     1     0   \n",
              "김성곤의 중국한시기행 : 장강·황하 편 김성곤 지음           9788934990833 NaN     1     0   \n",
              "\n",
              "                                                                등록일자  \n",
              "도서명                   저자               ISBN          권                \n",
              "인공지능과 흙               김동훈 지음           9788937444319 NaN  2021-03-19  \n",
              "가짜 행복 권하는 사회          김태형 지음           9791190123969 NaN  2021-03-19  \n",
              "나도 한 문장 잘 쓰면 바랄 게 없겠네 김선영 지음           9788968332982 NaN  2021-03-19  \n",
              "예루살렘 해변               이도 게펜 지음, 임재희 옮김 9788970759906 NaN  2021-03-19  \n",
              "김성곤의 중국한시기행 : 장강·황하 편 김성곤 지음           9788934990833 NaN  2021-03-19  "
            ],
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              "      <th>세트 ISBN</th>\n",
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              "      <th></th>\n",
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              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
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              "      <th>가짜 행복 권하는 사회</th>\n",
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              "      <th>9791190123969</th>\n",
              "      <th>NaN</th>\n",
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              "      <td>2021</td>\n",
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              "      <th>나도 한 문장 잘 쓰면 바랄 게 없겠네</th>\n",
              "      <th>김선영 지음</th>\n",
              "      <th>9788968332982</th>\n",
              "      <th>NaN</th>\n",
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              "      <td>NaN</td>\n",
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              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>예루살렘 해변</th>\n",
              "      <th>이도 게펜 지음, 임재희 옮김</th>\n",
              "      <th>9788970759906</th>\n",
              "      <th>NaN</th>\n",
              "      <td>4</td>\n",
              "      <td>문학세계사</td>\n",
              "      <td>2021</td>\n",
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              "      <td>NaN</td>\n",
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              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>김성곤의 중국한시기행 : 장강·황하 편</th>\n",
              "      <th>김성곤 지음</th>\n",
              "      <th>9788934990833</th>\n",
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              "      <td>2021-03-19</td>\n",
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              "  </tbody>\n",
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              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-6dfc744f-5068-4e4e-a510-3b16dc32288d')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
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              "  </style>\n",
              "\n",
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              "      const buttonEl =\n",
              "        document.querySelector('#df-6dfc744f-5068-4e4e-a510-3b16dc32288d button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-6dfc744f-5068-4e4e-a510-3b16dc32288d');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
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              "        await google.colab.output.renderOutput(dataTable, element);\n",
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              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
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              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
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              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
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              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
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              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
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              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
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              "    30% {\n",
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              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
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              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-b0b8c844-7db0-49d9-9cab-86ebacebe163 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book3"
            }
          },
          "metadata": {},
          "execution_count": 28
        }
      ],
      "source": [
        "ns_book3.set_index(['도서명','저자','ISBN','권'], inplace=True)\n",
        "ns_book3.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 29,
      "id": "25ef52db",
      "metadata": {
        "id": "25ef52db",
        "outputId": "92b274c7-e653-4d85-9eb7-f4959d9278e5",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 341
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "                                                          번호    출판사  발행년도  \\\n",
              "도서명                   저자               ISBN          권                      \n",
              "인공지능과 흙               김동훈 지음           9788937444319 NaN   1    민음사  2021   \n",
              "가짜 행복 권하는 사회          김태형 지음           9791190123969 NaN   2   갈매나무  2021   \n",
              "나도 한 문장 잘 쓰면 바랄 게 없겠네 김선영 지음           9788968332982 NaN   3   블랙피쉬  2021   \n",
              "예루살렘 해변               이도 게펜 지음, 임재희 옮김 9788970759906 NaN   4  문학세계사  2021   \n",
              "김성곤의 중국한시기행 : 장강·황하 편 김성곤 지음           9788934990833 NaN   5    김영사  2021   \n",
              "\n",
              "                                                         세트 ISBN 부가기호 주제분류번호  \\\n",
              "도서명                   저자               ISBN          권                         \n",
              "인공지능과 흙               김동훈 지음           9788937444319 NaN     NaN  NaN    NaN   \n",
              "가짜 행복 권하는 사회          김태형 지음           9791190123969 NaN     NaN  NaN    NaN   \n",
              "나도 한 문장 잘 쓰면 바랄 게 없겠네 김선영 지음           9788968332982 NaN     NaN  NaN    NaN   \n",
              "예루살렘 해변               이도 게펜 지음, 임재희 옮김 9788970759906 NaN     NaN  NaN    NaN   \n",
              "김성곤의 중국한시기행 : 장강·황하 편 김성곤 지음           9788934990833 NaN     NaN  NaN    NaN   \n",
              "\n",
              "                                                          도서권수  대출건수  \\\n",
              "도서명                   저자               ISBN          권                 \n",
              "인공지능과 흙               김동훈 지음           9788937444319 NaN     1     0   \n",
              "가짜 행복 권하는 사회          김태형 지음           9791190123969 NaN     1     0   \n",
              "나도 한 문장 잘 쓰면 바랄 게 없겠네 김선영 지음           9788968332982 NaN     1     0   \n",
              "예루살렘 해변               이도 게펜 지음, 임재희 옮김 9788970759906 NaN     1     0   \n",
              "김성곤의 중국한시기행 : 장강·황하 편 김성곤 지음           9788934990833 NaN     1     0   \n",
              "\n",
              "                                                                등록일자  \n",
              "도서명                   저자               ISBN          권                \n",
              "인공지능과 흙               김동훈 지음           9788937444319 NaN  2021-03-19  \n",
              "가짜 행복 권하는 사회          김태형 지음           9791190123969 NaN  2021-03-19  \n",
              "나도 한 문장 잘 쓰면 바랄 게 없겠네 김선영 지음           9788968332982 NaN  2021-03-19  \n",
              "예루살렘 해변               이도 게펜 지음, 임재희 옮김 9788970759906 NaN  2021-03-19  \n",
              "김성곤의 중국한시기행 : 장강·황하 편 김성곤 지음           9788934990833 NaN  2021-03-19  "
            ],
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              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th></th>\n",
              "      <th></th>\n",
              "      <th></th>\n",
              "      <th>번호</th>\n",
              "      <th>출판사</th>\n",
              "      <th>발행년도</th>\n",
              "      <th>세트 ISBN</th>\n",
              "      <th>부가기호</th>\n",
              "      <th>주제분류번호</th>\n",
              "      <th>도서권수</th>\n",
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              "      <th>등록일자</th>\n",
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              "      <th>도서명</th>\n",
              "      <th>저자</th>\n",
              "      <th>ISBN</th>\n",
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              "      <th></th>\n",
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              "  <tbody>\n",
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              "      <th>인공지능과 흙</th>\n",
              "      <th>김동훈 지음</th>\n",
              "      <th>9788937444319</th>\n",
              "      <th>NaN</th>\n",
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              "      <td>2021</td>\n",
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              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>가짜 행복 권하는 사회</th>\n",
              "      <th>김태형 지음</th>\n",
              "      <th>9791190123969</th>\n",
              "      <th>NaN</th>\n",
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              "      <td>2021</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>나도 한 문장 잘 쓰면 바랄 게 없겠네</th>\n",
              "      <th>김선영 지음</th>\n",
              "      <th>9788968332982</th>\n",
              "      <th>NaN</th>\n",
              "      <td>3</td>\n",
              "      <td>블랙피쉬</td>\n",
              "      <td>2021</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>예루살렘 해변</th>\n",
              "      <th>이도 게펜 지음, 임재희 옮김</th>\n",
              "      <th>9788970759906</th>\n",
              "      <th>NaN</th>\n",
              "      <td>4</td>\n",
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              "      <td>2021</td>\n",
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              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>김성곤의 중국한시기행 : 장강·황하 편</th>\n",
              "      <th>김성곤 지음</th>\n",
              "      <th>9788934990833</th>\n",
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              "      <td>2021</td>\n",
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              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
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              "            title=\"Convert this dataframe to an interactive table.\"\n",
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              "      display:flex;\n",
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              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
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              "      display: none;\n",
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              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
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              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
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              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-555f44f0-78bf-4378-a43d-f003e3990cbf button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-555f44f0-78bf-4378-a43d-f003e3990cbf');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
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              "\n",
              "\n",
              "<div id=\"df-cd4f1a9a-1294-4d31-b9f2-1a11b5388c32\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-cd4f1a9a-1294-4d31-b9f2-1a11b5388c32')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
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              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
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              "      --disabled-bg-color: #DDD;\n",
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              "\n",
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              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
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              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-cd4f1a9a-1294-4d31-b9f2-1a11b5388c32 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book3"
            }
          },
          "metadata": {},
          "execution_count": 29
        }
      ],
      "source": [
        "ns_book3.update(loan_count)\n",
        "ns_book3.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 30,
      "id": "e1cbb365",
      "metadata": {
        "id": "e1cbb365",
        "outputId": "6e7ab896-6761-43aa-bde2-d534bc120652",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 310
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "                     도서명                저자           ISBN    권  번호    출판사  \\\n",
              "0                인공지능과 흙            김동훈 지음  9788937444319  NaN   1    민음사   \n",
              "1           가짜 행복 권하는 사회            김태형 지음  9791190123969  NaN   2   갈매나무   \n",
              "2  나도 한 문장 잘 쓰면 바랄 게 없겠네            김선영 지음  9788968332982  NaN   3   블랙피쉬   \n",
              "3                예루살렘 해변  이도 게펜 지음, 임재희 옮김  9788970759906  NaN   4  문학세계사   \n",
              "4  김성곤의 중국한시기행 : 장강·황하 편            김성곤 지음  9788934990833  NaN   5    김영사   \n",
              "\n",
              "   발행년도 세트 ISBN 부가기호 주제분류번호  도서권수  대출건수        등록일자  \n",
              "0  2021     NaN  NaN    NaN     1     0  2021-03-19  \n",
              "1  2021     NaN  NaN    NaN     1     0  2021-03-19  \n",
              "2  2021     NaN  NaN    NaN     1     0  2021-03-19  \n",
              "3  2021     NaN  NaN    NaN     1     0  2021-03-19  \n",
              "4  2021     NaN  NaN    NaN     1     0  2021-03-19  "
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              "      <th>3</th>\n",
              "      <td>예루살렘 해변</td>\n",
              "      <td>이도 게펜 지음, 임재희 옮김</td>\n",
              "      <td>9788970759906</td>\n",
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              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
              "      <td>9788934990833</td>\n",
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              "      <td>2021-03-19</td>\n",
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              "      border-color: transparent;\n",
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              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
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              "    80% {\n",
              "      border-color: transparent;\n",
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              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
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              "\n",
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            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book4"
            }
          },
          "metadata": {},
          "execution_count": 30
        }
      ],
      "source": [
        "ns_book4 = ns_book3.reset_index()\n",
        "ns_book4.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 31,
      "id": "c34c9bfb",
      "metadata": {
        "scrolled": true,
        "id": "c34c9bfb",
        "outputId": "0c9859df-949c-4752-a72f-72886c861dbb",
        "colab": {
          "base_uri": "https://localhost:8080/"
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "2311"
            ]
          },
          "metadata": {},
          "execution_count": 31
        }
      ],
      "source": [
        "sum(ns_book['대출건수']>100)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 32,
      "id": "a3e7f1aa",
      "metadata": {
        "id": "a3e7f1aa",
        "outputId": "2762ec4c-5df4-41e8-ff5a-de3a4b0dd665",
        "colab": {
          "base_uri": "https://localhost:8080/"
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "2550"
            ]
          },
          "metadata": {},
          "execution_count": 32
        }
      ],
      "source": [
        "sum(ns_book4['대출건수']>100)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 33,
      "id": "2afd939b",
      "metadata": {
        "id": "2afd939b",
        "outputId": "4cab5fa9-acf3-4143-e310-29a97437e503",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 310
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "   번호                    도서명                저자    출판사  발행년도           ISBN  \\\n",
              "0   1                인공지능과 흙            김동훈 지음    민음사  2021  9788937444319   \n",
              "1   2           가짜 행복 권하는 사회            김태형 지음   갈매나무  2021  9791190123969   \n",
              "2   3  나도 한 문장 잘 쓰면 바랄 게 없겠네            김선영 지음   블랙피쉬  2021  9788968332982   \n",
              "3   4                예루살렘 해변  이도 게펜 지음, 임재희 옮김  문학세계사  2021  9788970759906   \n",
              "4   5  김성곤의 중국한시기행 : 장강·황하 편            김성곤 지음    김영사  2021  9788934990833   \n",
              "\n",
              "  세트 ISBN 부가기호    권 주제분류번호  도서권수  대출건수        등록일자  \n",
              "0     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "1     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "2     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "3     NaN  NaN  NaN    NaN     1     0  2021-03-19  \n",
              "4     NaN  NaN  NaN    NaN     1     0  2021-03-19  "
            ],
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              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>3</td>\n",
              "      <td>나도 한 문장 잘 쓰면 바랄 게 없겠네</td>\n",
              "      <td>김선영 지음</td>\n",
              "      <td>블랙피쉬</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788968332982</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>4</td>\n",
              "      <td>예루살렘 해변</td>\n",
              "      <td>이도 게펜 지음, 임재희 옮김</td>\n",
              "      <td>문학세계사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788970759906</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>5</td>\n",
              "      <td>김성곤의 중국한시기행 : 장강·황하 편</td>\n",
              "      <td>김성곤 지음</td>\n",
              "      <td>김영사</td>\n",
              "      <td>2021</td>\n",
              "      <td>9788934990833</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>NaN</td>\n",
              "      <td>1</td>\n",
              "      <td>0</td>\n",
              "      <td>2021-03-19</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "    <div class=\"colab-df-buttons\">\n",
              "\n",
              "  <div class=\"colab-df-container\">\n",
              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-12224a07-60f5-4de6-8639-7f1962e046ac')\"\n",
              "            title=\"Convert this dataframe to an interactive table.\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
              "  </svg>\n",
              "    </button>\n",
              "\n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    .colab-df-buttons div {\n",
              "      margin-bottom: 4px;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "    <script>\n",
              "      const buttonEl =\n",
              "        document.querySelector('#df-12224a07-60f5-4de6-8639-7f1962e046ac button.colab-df-convert');\n",
              "      buttonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "      async function convertToInteractive(key) {\n",
              "        const element = document.querySelector('#df-12224a07-60f5-4de6-8639-7f1962e046ac');\n",
              "        const dataTable =\n",
              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                    [key], {});\n",
              "        if (!dataTable) return;\n",
              "\n",
              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "          + ' to learn more about interactive tables.';\n",
              "        element.innerHTML = '';\n",
              "        dataTable['output_type'] = 'display_data';\n",
              "        await google.colab.output.renderOutput(dataTable, element);\n",
              "        const docLink = document.createElement('div');\n",
              "        docLink.innerHTML = docLinkHtml;\n",
              "        element.appendChild(docLink);\n",
              "      }\n",
              "    </script>\n",
              "  </div>\n",
              "\n",
              "\n",
              "<div id=\"df-8701e115-135c-4b51-a56e-9fa03ade1249\">\n",
              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-8701e115-135c-4b51-a56e-9fa03ade1249')\"\n",
              "            title=\"Suggest charts\"\n",
              "            style=\"display:none;\">\n",
              "\n",
              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "     width=\"24px\">\n",
              "    <g>\n",
              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
              "    </g>\n",
              "</svg>\n",
              "  </button>\n",
              "\n",
              "<style>\n",
              "  .colab-df-quickchart {\n",
              "      --bg-color: #E8F0FE;\n",
              "      --fill-color: #1967D2;\n",
              "      --hover-bg-color: #E2EBFA;\n",
              "      --hover-fill-color: #174EA6;\n",
              "      --disabled-fill-color: #AAA;\n",
              "      --disabled-bg-color: #DDD;\n",
              "  }\n",
              "\n",
              "  [theme=dark] .colab-df-quickchart {\n",
              "      --bg-color: #3B4455;\n",
              "      --fill-color: #D2E3FC;\n",
              "      --hover-bg-color: #434B5C;\n",
              "      --hover-fill-color: #FFFFFF;\n",
              "      --disabled-bg-color: #3B4455;\n",
              "      --disabled-fill-color: #666;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart {\n",
              "    background-color: var(--bg-color);\n",
              "    border: none;\n",
              "    border-radius: 50%;\n",
              "    cursor: pointer;\n",
              "    display: none;\n",
              "    fill: var(--fill-color);\n",
              "    height: 32px;\n",
              "    padding: 0;\n",
              "    width: 32px;\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart:hover {\n",
              "    background-color: var(--hover-bg-color);\n",
              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "    fill: var(--button-hover-fill-color);\n",
              "  }\n",
              "\n",
              "  .colab-df-quickchart-complete:disabled,\n",
              "  .colab-df-quickchart-complete:disabled:hover {\n",
              "    background-color: var(--disabled-bg-color);\n",
              "    fill: var(--disabled-fill-color);\n",
              "    box-shadow: none;\n",
              "  }\n",
              "\n",
              "  .colab-df-spinner {\n",
              "    border: 2px solid var(--fill-color);\n",
              "    border-color: transparent;\n",
              "    border-bottom-color: var(--fill-color);\n",
              "    animation:\n",
              "      spin 1s steps(1) infinite;\n",
              "  }\n",
              "\n",
              "  @keyframes spin {\n",
              "    0% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "      border-left-color: var(--fill-color);\n",
              "    }\n",
              "    20% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    30% {\n",
              "      border-color: transparent;\n",
              "      border-left-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    40% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-top-color: var(--fill-color);\n",
              "    }\n",
              "    60% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "    }\n",
              "    80% {\n",
              "      border-color: transparent;\n",
              "      border-right-color: var(--fill-color);\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "    90% {\n",
              "      border-color: transparent;\n",
              "      border-bottom-color: var(--fill-color);\n",
              "    }\n",
              "  }\n",
              "</style>\n",
              "\n",
              "  <script>\n",
              "    async function quickchart(key) {\n",
              "      const quickchartButtonEl =\n",
              "        document.querySelector('#' + key + ' button');\n",
              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
              "      try {\n",
              "        const charts = await google.colab.kernel.invokeFunction(\n",
              "            'suggestCharts', [key], {});\n",
              "      } catch (error) {\n",
              "        console.error('Error during call to suggestCharts:', error);\n",
              "      }\n",
              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
              "    }\n",
              "    (() => {\n",
              "      let quickchartButtonEl =\n",
              "        document.querySelector('#df-8701e115-135c-4b51-a56e-9fa03ade1249 button');\n",
              "      quickchartButtonEl.style.display =\n",
              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "    })();\n",
              "  </script>\n",
              "</div>\n",
              "\n",
              "    </div>\n",
              "  </div>\n"
            ],
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "dataframe",
              "variable_name": "ns_book4"
            }
          },
          "metadata": {},
          "execution_count": 33
        }
      ],
      "source": [
        "ns_book4 = ns_book4[ns_book.columns]\n",
        "ns_book4.head()"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 34,
      "id": "dccbfe9d",
      "metadata": {
        "id": "dccbfe9d"
      },
      "outputs": [],
      "source": [
        "ns_book4.to_csv('ns_book4.csv', index=False)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 35,
      "id": "1fb13428",
      "metadata": {
        "id": "1fb13428"
      },
      "outputs": [],
      "source": [
        "def data_cleaning(filename):\n",
        "    \"\"\"\n",
        "    남산 도서관 장서 CSV 데이터 전처리 함수\n",
        "\n",
        "    :param filename: CSV 파일이름\n",
        "    \"\"\"\n",
        "    # 파일을 데이터프레임으로 읽습니다.\n",
        "    ns_df = pd.read_csv(filename, low_memory=False)\n",
        "    # NaN인 열을 삭제합니다.\n",
        "    ns_book = ns_df.dropna(axis=1, how='all')\n",
        "\n",
        "    # 대출건수를 합치기 위해 필요한 행만 추출하여 count_df 데이터프레임을 만듭니다.\n",
        "    count_df = ns_book[['도서명','저자','ISBN','권','대출건수']]\n",
        "    # 도서명, 저자, ISBN, 권을 기준으로 대출건수를 groupby합니다.\n",
        "    loan_count = count_df.groupby(by=['도서명','저자','ISBN','권'], dropna=False).sum()\n",
        "    # 원본 데이터프레임에서 중복된 행을 제외하고 고유한 행만 추출하여 복사합니다.\n",
        "    dup_rows = ns_book.duplicated(subset=['도서명','저자','ISBN','권'])\n",
        "    unique_rows = ~dup_rows\n",
        "    ns_book3 = ns_book[unique_rows].copy()\n",
        "    # 도서명, 저자, ISBN, 권을 인덱스로 설정합니다.\n",
        "    ns_book3.set_index(['도서명','저자','ISBN','권'], inplace=True)\n",
        "    # load_count에 저장된 누적 대출건수를 업데이트합니다.\n",
        "    ns_book3.update(loan_count)\n",
        "\n",
        "    # 인덱스를 재설정합니다.\n",
        "    ns_book4 = ns_book3.reset_index()\n",
        "    # 원본 데이터프레임의 열 순서로 변경합니다.\n",
        "    ns_book4 = ns_book4[ns_book.columns]\n",
        "\n",
        "    return ns_book4"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 36,
      "id": "2f3fd936",
      "metadata": {
        "id": "2f3fd936",
        "outputId": "f5f37d1c-07e9-4a91-c287-c1c724a4f97e",
        "colab": {
          "base_uri": "https://localhost:8080/"
        }
      },
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 36
        }
      ],
      "source": [
        "new_ns_book4 = data_cleaning('ns_202104.csv')\n",
        "\n",
        "ns_book4.equals(new_ns_book4)"
      ]
    }
  ],
  "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": "3.7.3"
    },
    "colab": {
      "provenance": []
    }
  },
  "nbformat": 4,
  "nbformat_minor": 5
}