add repeat np function

[andrewgsavage]

• Closes # (insert issue number)
• Executed pre-commit run --all-files with no errors
• The change is fully covered by automated unit tests
• Documented in docs/ as appropriate
• Added an entry to the CHANGES file

[codspeed-hq]

CodSpeed Performance Report

Merging #2104 will not alter performance

_{Comparing andrewgsavage:repeat (8ab1bec) with master (fadbf70)}

Summary

✅ 437 untouched benchmarks