Code enhancements in binary_insertion_sort.py (#10918)

* Code enhancements in binary_insertion_sort.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Apply suggestions from code review

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <[email protected]>