Added Manhattan distance algorithm (#7790)
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

for more information, see https://pre-commit.ci

* Update manhattan_distance.py

* Update manhattan_distance.py

Co-authored-by: Christian Clauss <585dd401264c1e46d17ebec1862e5d2a9b6a6c5d@me.com>
Co-authored-by: pre-commit-ci[bot] <3ea08453efb076ca910552532a53973a6527df40@users.noreply.github.com>
TheAlgorithms/Python