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為了賬號安全，請及時綁定郵箱和手機立即綁定

raise

有些時候為什么實用raise主動拋出異常

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2 回答

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0 回復 有任何疑惑可以回復我~

個人的感覺是主動拋出異常時，防止潛在異常的發生，而且當異常發生時，也不需要等解釋器來處理。例如：當打開一個文件時，最好能主動拋出一個IOError，防止文件不存在拋出異常。

0 回復 有任何疑惑可以回復我~

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