maint: improves `between` and `length` modules by nandgator · Pull Request #225 · python-validators/validators

@nandgator added the review

PR: Can be reviewed

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Feb 17, 2023

@nandgator

- improves `between.py` and `length.py` scripts
- adapts associated test cases as well
- makes `_extremes.py` a private module
- uses `black` for formatting python scripts
- follows Google's Python style guide for docstrings

kvesteri