{"description":"def drop(lista, num): return [v for i,v in enumerate(lista) if (i+1)%num != 0] if 0 < num else None if __name__ == \"__main__\": print drop([], 0) == None print drop([\"a\"], 0) == None print drop([\"a\"], 1) == [] print drop([\"a\"], 2) == [\"a\"] print drop([\"a\", \"b\"], 0) == None print drop([\"a\", \"b\"], 1) =\u2026","categories":["Python","L-99"],"published":"2010-07-28 00:00:04","author_name":"yoshiyoshifujii","url":"https://yoshiyoshifujii.hatenablog.com/entry/20100728/p5","title":"P16 (**)\u30ea\u30b9\u30c8\u306eN\u306e\u500d\u6570\u756a\u76ee\u306e\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u3002\u30ea\u30b9\u30c8\u306e\u6700\u521d\u306e\u8981\u7d20\u30921\u756a\u76ee\u3068\u3057\u3066\u6570\u3048\u308b\u3002","version":"1.0","blog_title":"\u6bce\u65e5Learning","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyoshiyoshifujii.hatenablog.com%2Fentry%2F20100728%2Fp5\" title=\"P16 (**)\u30ea\u30b9\u30c8\u306eN\u306e\u500d\u6570\u756a\u76ee\u306e\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u3002\u30ea\u30b9\u30c8\u306e\u6700\u521d\u306e\u8981\u7d20\u30921\u756a\u76ee\u3068\u3057\u3066\u6570\u3048\u308b\u3002 - \u6bce\u65e5Learning\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://yoshiyoshifujii.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/yoshiyoshifujii/","provider_name":"Hatena Blog","height":"190","provider_url":"https://hatena.blog","type":"rich","width":"100%","image_url":null}