Added Manhattan distance algorithm (#7790)

* Added Manhattan distance algorithm, Fixes: #7776

* Forgot that isinstance can accept a tuple

* Apply suggestions from code review

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

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* Update manhattan_distance.py

* Update manhattan_distance.py

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