{"image_url":null,"description":"\u3068\u308a\u3042\u3048\u305a\u30b3\u30fc\u30c9\u3060\u3051\u3002 money.py #!/usr/bin/env python # coding: utf-8 \"\"\"\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\u5165\u9580 15\u7ae0 \u901a\u8ca8\u306e\u6df7\u5408 \"\"\" class Expression(object): def reduce(self, bank, currency_to): raise NotImplementedError def __add__(self, addend): raise NotImplementedError class Money(Expression): def __init__(self, amount, currency): self._amo\u2026","title":"\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\u5165\u9580\u3092Python\u3067\u5199\u7d4c\u3057\u3066\u307f\u305f\u300215","author_name":"masasuz","url":"https://masasuzu.hatenablog.jp/entry/20090713/1247480933","blog_title":"\u76ee\u306e\u524d\u306b\u50d5\u3089\u306e\u9053\u304c\u3042\u308b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmasasuzu.hatenablog.jp%2Fentry%2F20090713%2F1247480933\" title=\"\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\u5165\u9580\u3092Python\u3067\u5199\u7d4c\u3057\u3066\u307f\u305f\u300215 - \u76ee\u306e\u524d\u306b\u50d5\u3089\u306e\u9053\u304c\u3042\u308b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","width":"100%","blog_url":"https://masasuzu.hatenablog.jp/","height":"190","provider_name":"Hatena Blog","published":"2009-07-13 19:28:53","type":"rich","author_url":"https://blog.hatena.ne.jp/masasuz/","categories":["TDD","python","\u5f8c\u3067\u66f8\u304f"],"version":"1.0"}