{"published":"2014-03-03 01:45:09","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fy0m0r.hateblo.jp%2Fentry%2F20140303%2F1393865109\" title=\"Python2\u3067\u8f9e\u66f8\u306e\u30ad\u30fc\u3068\u5024\u3092\u5165\u308c\u66ff\u3048\u308b - \u30e1\u30e2\u7f6e\u304d\u5834\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/yuheiomori0718/","blog_url":"https://y0m0r.hateblo.jp/","blog_title":"\u30e1\u30e2\u7f6e\u304d\u5834","description":"\u3053\u308c\u304b dict((v, k) for k, v in d.iteritems()) \u3053\u308c\u3060\u308d\u3046\u304b dict(zip(d.values(), d.keys())) # coding=utf-8 from benchmarker import Benchmarker _dict = dict(((str(i), i) for i in range(0, 50000))) def exchange_keys_with_values_use_generator(d): return dict((v, k) for k, v in d.iteritems()) def exchange_keys_wi\u2026","url":"https://y0m0r.hateblo.jp/entry/20140303/1393865109","version":"1.0","author_name":"yuheiomori0718","width":"100%","title":"Python2\u3067\u8f9e\u66f8\u306e\u30ad\u30fc\u3068\u5024\u3092\u5165\u308c\u66ff\u3048\u308b","categories":["python"],"provider_name":"Hatena Blog","type":"rich","image_url":null,"height":"190","provider_url":"https://hatena.blog"}