Challenge - Try to develop your sudoku solver

Question

Taking a list 9x9 which represents a sudoku, with the empty cells represente by 0s,
try to apply algorithms to resolve the puzzle returning a list 9x9 with the solution.

Optional: Create a function to check if the converged solution is correct checking that there is not repeated numbers in any row,colum or 3x3 square.

Here my solution:
https://code.sololearn.com/cCP7rxsyCWqV/#py

Answer 1

https://code.sololearn.com/cNFgfXZ8z43N/?ref=app

Answer 2

That's a good iterating solution, maybe a good one no to spend a lot of time coding hard level sudoku logic.

Thanks!

Answer 3

it is quite efficient. Test the number of loops against other methods...