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Pythonのアンダーバー変数

Last updated at Posted at 2015-08-18

spotify/luigi のs3 targetのコードを眺めていたら、自分が知らない記述方法があったのでメモ。

        _, key = self._path_to_bucket_and_key(path)

_を変数として使うと不要な変数になるらしい。(Python で使わないタプルの値は “_” (アンダーバー) に代入するというプラクティス)

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