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<div class="colorscripter-code" style="color:#010101;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace !important; position:relative !important;overflow:auto"><table cellpadding="0" cellspacing="0" class="colorscripter-code-table" style="margin:0;padding:0;border:none;background-color:#fafafa;border-radius:4px;"> <tbody> <tr> <td style="padding:6px;border-right:2px solid #e5e5e5"> <div style="margin:0;padding:0;word-break:normal;text-align:right;color:#666;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace !important;line-height:130%"> <div style="line-height:130%">1</div> <div style="line-height:130%">2</div> <div style="line-height:130%">3</div> <div style="line-height:130%">4</div> <div style="line-height:130%">5</div> <div style="line-height:130%">6</div> <div style="line-height:130%">7</div> <div style="line-height:130%">8</div> <div style="line-height:130%">9</div> <div style="line-height:130%">10</div> <div style="line-height:130%">11</div> <div style="line-height:130%">12</div> <div style="line-height:130%">13</div> <div style="line-height:130%">14</div> <div style="line-height:130%">15</div> <div style="line-height:130%">16</div> <div style="line-height:130%">17</div> <div style="line-height:130%">18</div> <div style="line-height:130%">19</div> <div style="line-height:130%">20</div> <div style="line-height:130%">21</div> <div style="line-height:130%">22</div> <div style="line-height:130%">23</div> <div style="line-height:130%">24</div> <div style="line-height:130%">25</div> <div style="line-height:130%">26</div> <div style="line-height:130%">27</div> <div style="line-height:130%">28</div> <div style="line-height:130%">29</div> </div> </td> <td style="padding:6px 0;text-align:left"> <div style="margin:0;padding:0;color:#010101;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace !important;line-height:130%"> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#999999">#</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#999999"># 따라하며 배우는 파이썬과 데이터과학(생능출판사 2020)</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#999999"># LAB 12-1 울릉도는 몇 월에 바람이 가장 강할까?, 311쪽</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#999999">#</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#a71d5d">import</span> csv</div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#a71d5d">import</span> matplotlib.pyplot <span style="color:#a71d5d">as</span> plt </div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%">f <span style="color:#a71d5d">=</span> <span style="color:#066de2">open</span>(<span style="color:#63a35c">'d:/data/weather.csv'</span>) <span style="color:#999999"># CSV 파일 열어 f에 저장 </span></div> <div style="padding:0 6px; white-space:pre; line-height:130%">data <span style="color:#a71d5d">=</span> csv.reader(f) <span style="color:#999999"># reader() 함수로 읽기</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%">header <span style="color:#a71d5d">=</span> <span style="color:#a71d5d">next</span>(data) <span style="color:#999999"># 헤더를 제거</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%">monthly_wind <span style="color:#a71d5d">=</span> [ <span style="color:#0099cc">0</span> <span style="color:#a71d5d">for</span> x <span style="color:#a71d5d">in</span> <span style="color:#066de2">range</span>(<span style="color:#0099cc">12</span>) ] <span style="color:#999999"># 매달 풍속을 담을 리스트</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%">days_counted <span style="color:#a71d5d">=</span> [ <span style="color:#0099cc">0</span> <span style="color:#a71d5d">for</span> x <span style="color:#a71d5d">in</span> <span style="color:#066de2">range</span>(<span style="color:#0099cc">12</span>) ] <span style="color:#999999"># 각 달마다 측정된 일수</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#a71d5d">for</span> row <span style="color:#a71d5d">in</span> data: </div> <div style="padding:0 6px; white-space:pre; line-height:130%"> month <span style="color:#a71d5d">=</span> <span style="color:#066de2">int</span>(row[<span style="color:#0099cc">0</span>][<span style="color:#0099cc">5</span>:<span style="color:#0099cc">7</span>]) <span style="color:#999999"># 0번 열에서 달 정보 추출</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#a71d5d">if</span> row[<span style="color:#0099cc">3</span>] <span style="color:#a71d5d">!</span><span style="color:#a71d5d">=</span> <span style="color:#63a35c">''</span> : <span style="color:#999999"># 풍속 데이터 존재하는지 확인</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> wind <span style="color:#a71d5d">=</span> float(row[<span style="color:#0099cc">3</span>]) <span style="color:#999999"># 풍속을 얻어 온다.</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> monthly_wind[month<span style="color:#a71d5d">-</span><span style="color:#0099cc">1</span>] <span style="color:#a71d5d">+</span><span style="color:#a71d5d">=</span> wind <span style="color:#999999"># 해당 달에 풍속 데이터 추가</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> days_counted[month<span style="color:#a71d5d">-</span><span style="color:#0099cc">1</span>] <span style="color:#a71d5d">+</span><span style="color:#a71d5d">=</span> <span style="color:#0099cc">1</span> <span style="color:#999999"># 해당 달의 일수를 증가</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#a71d5d">for</span> i <span style="color:#a71d5d">in</span> <span style="color:#066de2">range</span>(<span style="color:#0099cc">12</span>) :</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> monthly_wind[i] <span style="color:#a71d5d">/</span><span style="color:#a71d5d">=</span> days_counted[i] <span style="color:#999999"># 일수로 나누어 월평균 구하기</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#066de2">print</span>(monthly_wind)</div> <div style="padding:0 6px; white-space:pre; line-height:130%">plt.plot(monthly_wind, <span style="color:#63a35c">'blue'</span>) </div> <div style="padding:0 6px; white-space:pre; line-height:130%">plt.show()</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%">f.<span style="color:#066de2">close</span>() <span style="color:#999999"># 파일을 닫는다.</span></div> </div> </td> <td style="vertical-align:bottom;padding:0 2px 4px 0"><a href="http://colorscripter.com/info#e" style="text-decoration:none;color:white" target="_blank"><span style="font-size:9px;word-break:normal;background-color:#e5e5e5;color:white;border-radius:10px;padding:1px">cs</span></a></td> </tr> </tbody></table></div>
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