{"published":"2008-07-07 00:00:00","type":"rich","url":"https://cortyuming.hateblo.jp/entry/20080707/p2","provider_url":"https://hatena.blog","width":"100%","version":"1.0","description":"SICP\u306e2.2.2 Hierarchical Structures \u306e Mapping over trees \u3042\u305f\u308a\u3092 Python \u3067\u3084\u3063\u3066\u307f\u305f scheme ;2.2.2 Hierarchical Structures ;Mapping over trees (define (scale-tree tree factor) (cond ((null? tree) ()) ((not (pair? tree)) (* tree factor)) (else (cons (scale-tree (car tree) factor) (scale-tree (cdr tree) factor)\u2026","title":" 2.2.2 Hierarchical Structures\u3092Python\u3067\u3084\u3063\u3066\u307f\u305f","image_url":null,"author_name":"CortYuming","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcortyuming.hateblo.jp%2Fentry%2F20080707%2Fp2\" title=\" 2.2.2 Hierarchical Structures\u3092Python\u3067\u3084\u3063\u3066\u307f\u305f - \u724c\u8a9e\u5099\u5fd8\u9332 -pygo\" 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://cortyuming.hateblo.jp/","author_url":"https://blog.hatena.ne.jp/CortYuming/","height":"190","blog_title":"\u724c\u8a9e\u5099\u5fd8\u9332 -pygo","provider_name":"Hatena Blog","categories":["SICP","Python"]}