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title: duration
---

A _duration_ is a data type that represent a length of time, expressed using units such as seconds (represented by `s`), minutes (represented by `m`), and hours (represented by `h`). For example, `42s` means 42 seconds, `6m7s` means 6 minutes and 7 seconds, and `6h7m42s` means 6 hours, 7 minutes, and 42 seconds.
