yoshiyoshifujii https://blog.hatena.ne.jp/yoshiyoshifujii/ 毎日Learning https://yoshiyoshifujii.hatenablog.com/ Python L-99 def rotate(l, num): return l[num:] + l[:num] if isinstance(l, list) else None if __name__ == "__main__": print rotate("a", 3) == None print rotate(["a"], -1) == ["a"] print rotate(["a"], 0) == ["a"] print rotate(["a"], 1) == ["a"] print rotate(["a", "b"], -1) == ["b", "a"] print rotate(["a", "b"], 0… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyoshiyoshifujii.hatenablog.com%2Fentry%2F20100728%2Fp8" title="P19 (**)リスト要素をN要素分左に移動させる。 - 毎日Learning" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2010-07-28 00:00:07 rich https://yoshiyoshifujii.hatenablog.com/entry/20100728/p8 1.0 100%