A simple Sudoku generator and solver This is a Sudoku game written in python (less than 100 lines of code).
A puzzle can be generated by following function with a mask rate.
generate_sudoku(mask_rate=0.7)
[[1 0 0 5 0 0 0 0 3]
[0 3 7 0 0 1 0 0 4]
[0 0 0 0 0 2 0 0 0]
[0 0 0 0 9 4 0 0 0]
[0 0 4 0 0 0 0 3 2]
[0 0 0 3 2 5 0 0 0]
[0 0 0 0 0 0 2 0 0]
[7 4 0 0 0 0 0 0 0]
[8 0 0 0 0 3 1 0 0]]
By using solver() function, it tries to solve the puzzle.
solved = solve(puzzle)
[[1 2 8 5 4 7 6 9 3]
[6 3 7 9 8 1 5 2 4]
[4 9 5 6 3 2 7 1 8]
[2 1 3 7 9 4 8 5 6]
[5 7 4 1 6 8 9 3 2]
[9 8 6 3 2 5 4 7 1]
[3 5 1 4 7 6 2 8 9]
[7 4 2 8 1 9 3 6 5]
[8 6 9 2 5 3 1 4 7]]
If you have your own solution, you can validate it by following function:
check_solution(your_puzzle)