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<title>tupaiのブログ</title>
<link>https://ameblo.jp/prius2006/</link>
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<description>ブログの説明を入力します。</description>
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<title>One day one photo, daily life in Tokyo</title>
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<![CDATA[ <p><a href="https://stat.ameba.jp/user_images/20190329/21/prius2006/80/e5/j/o4608345614381089202.jpg"><img alt="" height="315" src="https://stat.ameba.jp/user_images/20190329/21/prius2006/80/e5/j/o4608345614381089202.jpg" width="420"></a>Cherry blossom and Sakura Tram March 29 2019&nbsp;</p>
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<pubDate>Fri, 29 Mar 2019 21:38:51 +0900</pubDate>
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<title>Pythonで数学を楽しく！</title>
<description>
<![CDATA[ <p style="margin: 0px; text-indent: 12.05pt;"><b><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">〇　自然数の累乗の和の公式</font></span></b></p><p style="margin: 0px; text-indent: 12pt;"><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">自然数の累乗の和は次の公式で計算される。</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">(1)</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">　</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px; top: 14pt; position: relative;"><img width="32" height="45" src="file:///C:/Users/よしひろ/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png" v:shapes="_x0000_i1025"></span><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;</font></span><font color="#000000" face="Century">= 1 + 2 + 3 +</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">・・・</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">+ n </font><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;</font></span><font color="#000000" face="Century">= </font><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;</font></span></span><span lang="EN-US" style="margin: 0px; top: 14.5pt; font-size: 10.5pt; position: relative;"><img width="7" height="48" src="file:///C:/Users/よしひろ/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png" v:shapes="_x0000_i1025"></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;</font></span><font color="#000000" face="Century">n(n+1)</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">(2)</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">　</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px; top: 14pt; position: relative;"><img width="32" height="45" src="file:///C:/Users/よしひろ/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png" v:shapes="_x0000_i1026"></span><sup><font color="#000000" face="Century">2</font><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp; </font></span></sup><font color="#000000" face="Century">= 1</font><sup><font color="#000000" face="Century">2 </font></sup><font color="#000000" face="Century">+ 2</font><sup><font color="#000000" face="Century">2 </font></sup><font color="#000000" face="Century">+ 3</font><sup><font color="#000000" face="Century">2 </font></sup><font color="#000000" face="Century">+</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">・・・</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">+ n</font><sup><font color="#000000" face="Century">2</font></sup><font color="#000000" face="Century"> </font><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;</font></span><font color="#000000" face="Century">= </font><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;</font></span></span><span lang="EN-US" style="margin: 0px; top: 14.5pt; font-size: 10.5pt; position: relative;"><img width="7" height="48" src="file:///C:/Users/よしひろ/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png" v:shapes="_x0000_i1025"></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;</font></span><font color="#000000" face="Century">n(n+1)(2n+1)</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">(3)</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">　</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px; top: 14pt; position: relative;"><img width="32" height="45" src="file:///C:/Users/よしひろ/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png" v:shapes="_x0000_i1027"></span><sup><font color="#000000" face="Century">3</font><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp; </font></span></sup><font color="#000000" face="Century">= 1</font><sup><font color="#000000" face="Century">3 </font></sup><font color="#000000" face="Century">+ 2</font><sup><font color="#000000" face="Century">3 </font></sup><font color="#000000" face="Century">+ 3</font><sup><font color="#000000" face="Century">3 </font></sup><font color="#000000" face="Century">+</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">・・・</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">+ n</font><sup><font color="#000000" face="Century">3</font><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp; </font></span></sup><font color="#000000" face="Century">=</font><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp; </font></span><font color="#000000" face="Century">{ </font></span><span lang="EN-US" style="margin: 0px; top: 14.5pt; font-size: 10.5pt; position: relative;"><img width="7" height="48" src="file:///C:/Users/よしひろ/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png" v:shapes="_x0000_i1025"></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;</font></span><font color="#000000" face="Century">n(n+1) }</font><sup><font color="#000000" face="Century">2</font></sup></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12.05pt;"><b><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">〇　</font></span></b><b><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">Python</font></span></b><b><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">でプログラミング</font></span></b></p><p style="margin: 0px; text-indent: 12pt;"><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">この計算を</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">Python</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">でプログラミングすると次のようになる。</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">Python3.x(</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">無料</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">)</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">をインストールし、このコードをコピーして、</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">New File</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">として実行すると計算結果が表示される。</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">(1)</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">　</font><b><font color="#000000">自然数の和</font></b></span></p><p style="margin: 0px; text-indent: 12.05pt;"><b><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></b></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century"># </font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">ある自然数までの和</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">print('</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">ある自然数までの和を計算する。</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">')</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century"># </font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">自然数を入力</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">num = int(input("</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">自然数を入力</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">: "))</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">if num &lt; 0:</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">print("</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">正の自然数を入力してください</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">")</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">else:</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">sum = 0</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century"># use while loop to iterate until zero</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">while(num &gt; 0):</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span><font color="#000000" face="Century">sum += num</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span><font color="#000000" face="Century">num -= 1</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">print("</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">和は</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">",sum)</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">(2)</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">　</font><b><font color="#000000">自然数の</font></b></span><b><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">2</font></span></b><b><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">乗の和</font></span></b></p><p style="margin: 0px; text-indent: 12.05pt;"><b><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></b></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century"># </font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">ある自然数までの</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">2</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">乗和</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">print('</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">ある自然数までの</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">2</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">乗和を計算する。</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">')</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century"># </font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">自然数を入力</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">num = int(input("</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">自然数を入力</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">: "))</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">if num &lt; 0:</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">print("</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">正の自然数を入力してください</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">")</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">else:</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">sum = 0</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century"># use while loop to iterate until zero</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">while(num &gt; 0):</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span><font color="#000000" face="Century">sum += num**2</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span><font color="#000000" face="Century">num -= 1</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">print("2</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">乗和は</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">",sum)</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">(3)</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">　</font><b><font color="#000000">自然数の</font></b></span><b><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">3</font></span></b><b><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">乗の和</font></span></b></p><p style="margin: 0px; text-indent: 12.05pt;"><b><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></b></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century"># </font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">ある自然数までの</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">3</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">乗和</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">print('</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">ある自然数までの</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">3</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">乗和を計算する。</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">')</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century"># </font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">自然数を入力</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">num = int(input("</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">自然数を入力</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">: "))</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">&nbsp;</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">if num &lt; 0:</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">print("</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">正の自然数を入力してください</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">")</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">else:</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">sum = 0</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century"># use while loop to iterate until zero</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">while(num &gt; 0):</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span><font color="#000000" face="Century">sum += num**3</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span><font color="#000000" face="Century">num -= 1</font></span></p><p style="margin: 0px; text-indent: 12pt;"><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><span style="margin: 0px;"><font color="#000000" face="Century">&nbsp;&nbsp; </font></span><font color="#000000" face="Century">print("3</font></span><span style="margin: 0px; font-family: &quot;ＭＳ 明朝&quot;,&quot;serif&quot;; font-size: 12pt;"><font color="#000000">乗和は</font></span><span lang="EN-US" style="margin: 0px; font-size: 12pt;"><font color="#000000" face="Century">",sum)</font></span></p><p>&nbsp;</p>
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<link>https://ameblo.jp/prius2006/entry-12199388395.html</link>
<pubDate>Mon, 12 Sep 2016 22:48:05 +0900</pubDate>
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