* Added algorithm to deeply clone a graph
* Fixed file name and removed a function call
* Removed nested function and fixed class parameter types
* Fixed doctests
* bug fix
* Added class decorator
* Updated doctests and fixed precommit errors
* Cleaned up code
* Simplified doctest
* Added doctests
* Code simplification
* Created function which validates sudoku boards
* Update matrix/validate_sudoku_board.py
* Fixed precommit errors
* Removed file accidentally included
* Improved readability and simplicity
* Add timeit benchmarks
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
* Update validate_sudoku_board.py
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Co-authored-by: Christian Clauss <cclauss@me.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
