CortYuming https://blog.hatena.ne.jp/CortYuming/ 牌語備忘録 -pygo https://cortyuming.hateblo.jp/ Python (python3.6.1) >>> a = range(13) >>> a range(0, 13) >>> list(a) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12] >>> a[12] 12 >>> a[13] Traceback (most recent call last): File "/usr/local/Cellar/python3/3.6.1/Frameworks/Python.framework/Versions/3.6/lib/python3.6/code.py", line 91, in runcode exec(code, se… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcortyuming.hateblo.jp%2Fentry%2F2019%2F08%2F23%2F165505" title="Python の配列でインデックスが存在するかどうか確認するメモ - 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 2019-08-23 16:55:05 rich https://cortyuming.hateblo.jp/entry/2019/08/23/165505 1.0 100%