from __future__ import annotations

SCREAMING_SNAKE_CASE__		:       str       						=       list[list[int]]

# assigning initial values to the grid
SCREAMING_SNAKE_CASE__		:       Matrix       						=       [
    [3, 0, 6, 5, 0, 8, 4, 0, 0],
    [5, 2, 0, 0, 0, 0, 0, 0, 0],
    [0, 8, 7, 0, 0, 0, 0, 3, 1],
    [0, 0, 3, 0, 1, 0, 0, 8, 0],
    [9, 0, 0, 8, 6, 3, 0, 0, 5],
    [0, 5, 0, 0, 9, 0, 6, 0, 0],
    [1, 3, 0, 0, 0, 0, 2, 5, 0],
    [0, 0, 0, 0, 0, 0, 0, 7, 4],
    [0, 0, 5, 2, 0, 6, 3, 0, 0],
]

# a grid with no solution
SCREAMING_SNAKE_CASE__		:       Matrix       						=       [
    [5, 0, 6, 5, 0, 8, 4, 0, 3],
    [5, 2, 0, 0, 0, 0, 0, 0, 2],
    [1, 8, 7, 0, 0, 0, 0, 3, 1],
    [0, 0, 3, 0, 1, 0, 0, 8, 0],
    [9, 0, 0, 8, 6, 3, 0, 0, 5],
    [0, 5, 0, 0, 9, 0, 6, 0, 0],
    [1, 3, 0, 0, 0, 0, 2, 5, 0],
    [0, 0, 0, 0, 0, 0, 0, 7, 4],
    [0, 0, 5, 2, 0, 6, 3, 0, 0],
]







def      _a					(   lowercase__	:      Matrix  ,	lowercase__	:      int  ,	lowercase__	:      int  ,	lowercase__	:      int			):







     '''simple docstring'''


     for i in range(9			):
          if grid[row][i] == n or grid[i][column] == n:
               return False

     for i in range(3			):
          for j in range(3			):
               if grid[(row - row % 3) + i][(column - column % 3) + j] == n:
                    return False

     return True







def      _a					(   lowercase__	:      Matrix			):







     '''simple docstring'''


     for i in range(9			):
          for j in range(9			):
               if grid[i][j] == 0:
                    return i, j
     return None







def      _a					(   lowercase__	:      Matrix			):







     '''simple docstring'''


     if location := find_empty_location(lowercase__			):
          SCREAMING_SNAKE_CASE__      ,				SCREAMING_SNAKE_CASE__					:					Tuple      =		location
     else:
          # If the location is ``None``, then the grid is solved.
          return grid

     for digit in range(1  ,	10			):
          if is_safe(lowercase__  ,	lowercase__  ,	lowercase__  ,	lowercase__			):
               SCREAMING_SNAKE_CASE__					:					Optional[int]      =		digit

               if sudoku(lowercase__			) is not None:
                    return grid

               SCREAMING_SNAKE_CASE__					:					Tuple      =		0

     return None







def      _a					(   lowercase__	:      Matrix			):







     '''simple docstring'''


     for row in grid:
          for cell in row:
               print(lowercase__  ,	end=' '			)
          print()


if __name__ == "__main__":
      # make a copy of grid so that you can compare with the unmodified grid
      for example_grid in (initial_grid, no_solution):
            print("\nExample grid:\n" + "=" * 20)
            print_solution(example_grid)
            print("\nExample grid solution:")
            SCREAMING_SNAKE_CASE__		:       List[Any]       						=       sudoku(example_grid)
            if solution is not None:
                  print_solution(solution)
            else:
                  print("Cannot find a solution.")










"""simple docstring"""



import warnings

from ...utils import logging
from .image_processing_poolformer import PoolFormerImageProcessor


a_					=     logging.get_logger(__name__)






class 						__snake_case   (						SCREAMING_SNAKE_CASE__	):





 """simple docstring"""


 def __init__(       self   ,		*__lowerCamelCase   ,		**__lowerCamelCase    ):



     '''simple docstring'''




     warnings.warn(
         '''The class PoolFormerFeatureExtractor is deprecated and will be removed in version 5 of Transformers.'''
         ''' Please use PoolFormerImageProcessor instead.'''   ,		__lowerCamelCase   ,		)
     super().__init__(*__lowerCamelCase   ,		**__lowerCamelCase    )




