Create Sudoku_Solver.py

[Anubhavpandey27]

Each of the digits 1-9 must occur exactly once in each row. Each of the digits 1-9 must occur exactly once in each column. Each of the digits 1-9 must occur exactly once in each of the 9 3x3 sub-boxes of the grid. The '.' character indicates empty cells.

Describe your change:

• [1 ] Add an algorithm?
• Fix a bug or typo in an existing algorithm?
• Documentation change?

Checklist:

• [1 ] I have read CONTRIBUTING.md.
• [1 ] This pull request is all my own work -- I have not plagiarized.
• [1 ] I know that pull requests will not be merged if they fail the automated tests.
• [ 1] This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• [1 ] All new Python files are placed inside an existing directory.
• All filenames are in all lowercase characters with no spaces or dashes.
• [1 ] All functions and variable names follow Python naming conventions.
• [ 1] All function parameters and return values are annotated with Python type hints.
• [1 ] All functions have doctests that pass the automated testing.
• [1 ] All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
• [1 ] If this pull request resolves one or more open issues then the description above includes the issue number(s) with a closing keyword: "Fixes #ISSUE-NUMBER".

[algorithms-keeper]

Click here to look at the relevant links ⬇️

🔗 Relevant Links

Repository:

• Contributing guidelines
• Project Euler solution guidelines

Python:

• Formatted string literals (f-strings)
• Type hints
• doctest
• unittest
• pytest

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[algorithms-keeper]

As there is no test file in this pull request nor any test function or class in the file data_structures/arrays/sudoku_solver.py, please provide doctest for the function solveSudoku

Variable and function names should follow the snake_case naming convention. Please update the following name accordingly: solveSudoku

[algorithms-keeper]

As there is no test file in this pull request nor any test function or class in the file data_structures/arrays/sudoku_solver.py, please provide doctest for the function isValid

Please provide return type hint for the function: isValid. If the function does not return a value, please provide the type hint as: def function() -> None:

Variable and function names should follow the snake_case naming convention. Please update the following name accordingly: isValid

Please provide type hint for the parameter: row

Please provide type hint for the parameter: col

Please provide type hint for the parameter: ch

[algorithms-keeper]

As there is no test file in this pull request nor any test function or class in the file data_structures/arrays/sudoku_solver.py, please provide doctest for the function solve

Please provide return type hint for the function: solve. If the function does not return a value, please provide the type hint as: def function() -> None:

Please provide type hint for the parameter: row

Please provide type hint for the parameter: col

[Anubhavpandey27]

sudoku_solver