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  <author_name>nishiohirokazu</author_name>
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  <blog_title>西尾泰和のはてなダイアリー</blog_title>
  <blog_url>https://nishiohirokazu.hatenadiary.org/</blog_url>
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  <description>ブクマコメントでフィボナッチという声があったので書いた。 def fib1(n): if n &lt; 2: return 1 return fib1(n - 1) + fib1(n - 2) print [fib1(n) for n in range(10)] # =&gt; [1, 1, 2, 3, 5, 8, 13, 21, 34, 55] def fib2(n): x, y = 1, 1 for i in range(n): x, y = y, x + y return x print [fib2(n) for n in range(10)] # =&gt; [1, 1, 2, 3, 5, 8, 13,…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2009-01-20 03:33:55</published>
  <title>フィボナッチ数列</title>
  <type>rich</type>
  <url>https://nishiohirokazu.hatenadiary.org/entry/20090120/1232476435</url>
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