quit the game print('thanks for playing!'sys exit(handle the move the player selected if grid makemove(columnrownumber=falseprint('you cannot overwrite the original grid\' numbers 'print('enter original to view the original grid 'input('press enter to continue 'exploring the program try to find the answers to the following questions experiment with some modifications to the code and rerun the program to see what effect the changes have what error happens if you delete or rename the sudokupuzzles txt file and run the program what happens if you change str( on line to str( ) what happens if you change if = or = on line to if = or = : project #