Sudoku Solver (9x9)

A Python program designed to solve 9x9 Sudoku puzzles. Users can define the Sudoku puzzle to be solved in a .txt file, and if visualization is enabled, the solving process will be displayed in the terminal.

The brute force method back tracking is used. The possible solutions are explored in a recursive way until one is confirmed to solve the sudoku.

File Format

To ensure the program can correctly read and solve the Sudoku puzzle, please adhere to the following format in the .txt file:

• Represent unknown values with a zero.
• Each row of the Sudoku puzzle should be on a new line.
• Columns should not have any separation between them.

File Format Example

020030090
000907000
900208005
004806500
607000208
003102900
800605007
000309000
030020050

Usage

To use the Sudoku solver, run the following command in your terminal:

python sudoku_solver.py [-h] [-p PATH] [-v]

Options

• -h, --help Show this help message and exit.
• -p PATH, --path PATH Path to the .txt file containing the Sudoku puzzle. Default: sudoku.txt
• -v, --visualize Enable visualization of the solving process in the terminal. Default: False