CortYuming https://blog.hatena.ne.jp/CortYuming/ 牌語備忘録 -pygo https://cortyuming.hateblo.jp/ SICP Python SICPの2.2.2 Hierarchical Structures の Mapping over trees あたりを Python でやってみた 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)… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcortyuming.hateblo.jp%2Fentry%2F20080707%2Fp2" title=" 2.2.2 Hierarchical StructuresをPythonでやってみた - 牌語備忘録 -pygo" 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 2008-07-07 00:00:00 rich https://cortyuming.hateblo.jp/entry/20080707/p2 1.0 100%