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  <author_name>yohhoy</author_name>
  <author_url>https://blog.hatena.ne.jp/yohhoy/</author_url>
  <blog_title>yohhoyの日記</blog_title>
  <blog_url>https://yohhoy.hatenadiary.jp/</blog_url>
  <categories>
    <anon>Python</anon>
  </categories>
  <description>Pythonのリスト内包表記でif-else構文を使うときのメモ。ifのみとの記述場所の違いに注意。 a = [1, 2, 3, 4] [x for x in a if x &lt; 2] # [3, 4] [x if x % 2 == 0 else 0 for x in a] # [0, 2, 0, 4] [x if x % 2 == 0 else 0 for x in a if 2 &lt; x] # [0, 4] # 以下はいずれも SyntaxError [x if x &lt; 2 for x in a] [x for x in a if x % 2 == 0 else 0] 関連URL python…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2015-03-25 00:00:00</published>
  <title>リスト内包表記中のif-else構文</title>
  <type>rich</type>
  <url>https://yohhoy.hatenadiary.jp/entry/20150325/p1</url>
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