Sudoku Solver Python Program

This sudoku solver tutorial uses python and the backtracking algorithm to find a solution to any solvable sudoku board.

Sudoku solver python program. A python sudoku solver. I like many others enjoy solving puzzles. Each morning i do the new york times mini crossword shoutout nyt i played 1v1 tetris in high school and during the downtime at my old lab job i used. For i in range 9.

Adding that code also made the program four times faster. Print arr i j print n function to find the entry in the grid that is still not used searches the grid to find an entry that is still unassigned. Download the file for your platform. In part 1 of this sudoku solver with python tutorial i explain how we are going to go about solving the problem and discuss the algorithm known as backtracking backtracking is simply reverting back to the previous step or solution as soon as we determine that our current solution cannot be continued into a complete one.

Version 1 00 only does one level supposition and no slicing dicing version 1 03 does two level supposition and can load 81 character strings still no slicing dicing. In this part of the tutorial we will fully implement the algorithm discussed. My python sudoku solver is available to download.