入出力 にゅうしゅつりょく せつじゃありませんでした
nyū shutsuryokusetsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 入出力節

1. It was not input/output clause.; It wasn't an I/O section.

Past/Perfective
Negative
Polite
Terminal Form
Computing