





"""simple docstring"""





from __future__ import annotations

lowerCAmelCase__   	=	list[list[int]]

# assigning initial values to the grid
lowerCAmelCase__   	=	[
    [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
lowerCAmelCase__   	=	[
    [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__    (    _SCREAMING_SNAKE_CASE     ,		_SCREAMING_SNAKE_CASE     ,		_SCREAMING_SNAKE_CASE     ,		_SCREAMING_SNAKE_CASE			):




		"""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__    (    _SCREAMING_SNAKE_CASE			):




		"""simple docstring"""


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


def 					a__    (    _SCREAMING_SNAKE_CASE			):




		"""simple docstring"""


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

		for digit in range(1     ,		10			):
				if is_safe(_SCREAMING_SNAKE_CASE     ,		_SCREAMING_SNAKE_CASE     ,		_SCREAMING_SNAKE_CASE     ,		_SCREAMING_SNAKE_CASE			):
						UpperCamelCase      =		digit

						if sudoku(_SCREAMING_SNAKE_CASE			) is not None:
								return grid

						UpperCamelCase      =		0

		return None


def 					a__    (    _SCREAMING_SNAKE_CASE			):




		"""simple docstring"""


		for row in grid:
				for cell in row:
						print(_SCREAMING_SNAKE_CASE     ,		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:''')
												lowerCAmelCase__   	=	sudoku(example_grid)
												if solution is not None:
																		print_solution(solution)
												else:
																		print('''Cannot find a solution.''')










import unittest

import numpy as np

from transformers.testing_utils import require_torch, require_vision
from transformers.utils import is_torch_available, is_vision_available

from ...test_image_processing_common import ImageProcessingSavingTestMixin, prepare_image_inputs


if is_torch_available():
			import torch

if is_vision_available():
			from PIL import Image

			from transformers import LevitImageProcessor


class        _a							(			unittest.TestCase			):

							def __init__(							self:	Dict    ,						UpperCamelCase_:	Any    ,						UpperCamelCase_:	Dict=7    ,						UpperCamelCase_:	Optional[int]=3    ,						UpperCamelCase_:	List[Any]=18    ,						UpperCamelCase_:	Dict=30    ,						UpperCamelCase_:	Optional[int]=400    ,						UpperCamelCase_:	Optional[int]=True    ,						UpperCamelCase_:	Union[str, Any]=None    ,						UpperCamelCase_:	List[str]=True    ,						UpperCamelCase_:	Dict=None    ,						UpperCamelCase_:	Optional[int]=True    ,						UpperCamelCase_:	Tuple=[0.5, 0.5, 0.5]    ,						UpperCamelCase_:	List[str]=[0.5, 0.5, 0.5]    ,						)			->   int:





									"""simple docstring"""







									lowercase__            =      size if size is not None else {'''shortest_edge''': 18}
									lowercase__            =      crop_size if crop_size is not None else {'''height''': 18, '''width''': 18}
									lowercase__            =      parent
									lowercase__            =      batch_size
									lowercase__            =      num_channels
									lowercase__            =      image_size
									lowercase__            =      min_resolution
									lowercase__            =      max_resolution
									lowercase__            =      do_resize
									lowercase__            =      size
									lowercase__            =      do_center_crop
									lowercase__            =      crop_size
									lowercase__            =      do_normalize
									lowercase__            =      image_mean
									lowercase__            =      image_std


							def       lowerCamelCase_ (							self:	List[str]							)			->   Optional[Any]:





									"""simple docstring"""







									return {
									    "image_mean": self.image_mean,
									    "image_std": self.image_std,
									    "do_normalize": self.do_normalize,
									    "do_resize": self.do_resize,
									    "do_center_crop": self.do_center_crop,
									    "size": self.size,
									    "crop_size": self.crop_size,
									}


@require_torch
@require_vision
class        _a							(			UpperCamelCase__     ,	unittest.TestCase			):
							_lowercase	:			List[str]        = LevitImageProcessor if is_vision_available() else None

							def       lowerCamelCase_ (							self:	Optional[Any]							)			->   List[str]:





									"""simple docstring"""







									lowercase__            =      LevitImageProcessingTester(self							)

							@property
							def       lowerCamelCase_ (							self:	List[Any]							)			->   Any:





									"""simple docstring"""







									return self.image_processor_tester.prepare_image_processor_dict()

							def       lowerCamelCase_ (							self:	Union[str, Any]							)			->   str:





									"""simple docstring"""







									lowercase__            =      self.image_processing_class(**self.image_processor_dict							)
									self.assertTrue(hasattr(UpperCamelCase_    ,						'''image_mean'''							)							)
									self.assertTrue(hasattr(UpperCamelCase_    ,						'''image_std'''							)							)
									self.assertTrue(hasattr(UpperCamelCase_    ,						'''do_normalize'''							)							)
									self.assertTrue(hasattr(UpperCamelCase_    ,						'''do_resize'''							)							)
									self.assertTrue(hasattr(UpperCamelCase_    ,						'''do_center_crop'''							)							)
									self.assertTrue(hasattr(UpperCamelCase_    ,						'''size'''							)							)

							def       lowerCamelCase_ (							self:	str							)			->   Tuple:





									"""simple docstring"""







									lowercase__            =      self.image_processing_class.from_dict(self.image_processor_dict							)
									self.assertEqual(image_processor.size    ,						{'''shortest_edge''': 18}							)
									self.assertEqual(image_processor.crop_size    ,						{'''height''': 18, '''width''': 18}							)

									lowercase__            =      self.image_processing_class.from_dict(self.image_processor_dict    ,						size=42    ,						crop_size=84							)
									self.assertEqual(image_processor.size    ,						{'''shortest_edge''': 42}							)
									self.assertEqual(image_processor.crop_size    ,						{'''height''': 84, '''width''': 84}							)

							def       lowerCamelCase_ (							self:	List[str]							)			->   Dict:





									"""simple docstring"""







									pass

							def       lowerCamelCase_ (							self:	List[str]							)			->   int:





									"""simple docstring"""







									lowercase__            =      self.image_processing_class(**self.image_processor_dict							)
									# create random PIL images
									lowercase__            =      prepare_image_inputs(self.image_processor_tester    ,						equal_resolution=UpperCamelCase_							)
									for image in image_inputs:
											self.assertIsInstance(UpperCamelCase_    ,						Image.Image							)

									# Test not batched input
									lowercase__            =      image_processing(image_inputs[0]    ,						return_tensors='''pt'''							).pixel_values
									self.assertEqual(
									    encoded_images.shape    ,						(
									        1,
									        self.image_processor_tester.num_channels,
									        self.image_processor_tester.crop_size['''height'''],
									        self.image_processor_tester.crop_size['''width'''],
									    )    ,						)

									# Test batched
									lowercase__            =      image_processing(UpperCamelCase_    ,						return_tensors='''pt'''							).pixel_values
									self.assertEqual(
									    encoded_images.shape    ,						(
									        self.image_processor_tester.batch_size,
									        self.image_processor_tester.num_channels,
									        self.image_processor_tester.crop_size['''height'''],
									        self.image_processor_tester.crop_size['''width'''],
									    )    ,						)

							def       lowerCamelCase_ (							self:	Union[str, Any]							)			->   Optional[int]:





									"""simple docstring"""







									lowercase__            =      self.image_processing_class(**self.image_processor_dict							)
									# create random numpy tensors
									lowercase__            =      prepare_image_inputs(self.image_processor_tester    ,						equal_resolution=UpperCamelCase_    ,						numpify=UpperCamelCase_							)
									for image in image_inputs:
											self.assertIsInstance(UpperCamelCase_    ,						np.ndarray							)

									# Test not batched input
									lowercase__            =      image_processing(image_inputs[0]    ,						return_tensors='''pt'''							).pixel_values
									self.assertEqual(
									    encoded_images.shape    ,						(
									        1,
									        self.image_processor_tester.num_channels,
									        self.image_processor_tester.crop_size['''height'''],
									        self.image_processor_tester.crop_size['''width'''],
									    )    ,						)

									# Test batched
									lowercase__            =      image_processing(UpperCamelCase_    ,						return_tensors='''pt'''							).pixel_values
									self.assertEqual(
									    encoded_images.shape    ,						(
									        self.image_processor_tester.batch_size,
									        self.image_processor_tester.num_channels,
									        self.image_processor_tester.crop_size['''height'''],
									        self.image_processor_tester.crop_size['''width'''],
									    )    ,						)


							def       lowerCamelCase_ (							self:	Any							)			->   Optional[Any]:





									"""simple docstring"""







									lowercase__            =      self.image_processing_class(**self.image_processor_dict							)
									# create random PyTorch tensors
									lowercase__            =      prepare_image_inputs(self.image_processor_tester    ,						equal_resolution=UpperCamelCase_    ,						torchify=UpperCamelCase_							)
									for image in image_inputs:
											self.assertIsInstance(UpperCamelCase_    ,						torch.Tensor							)

									# Test not batched input
									lowercase__            =      image_processing(image_inputs[0]    ,						return_tensors='''pt'''							).pixel_values
									self.assertEqual(
									    encoded_images.shape    ,						(
									        1,
									        self.image_processor_tester.num_channels,
									        self.image_processor_tester.crop_size['''height'''],
									        self.image_processor_tester.crop_size['''width'''],
									    )    ,						)

									# Test batched
									lowercase__            =      image_processing(UpperCamelCase_    ,						return_tensors='''pt'''							).pixel_values
									self.assertEqual(
									    encoded_images.shape    ,						(
									        self.image_processor_tester.batch_size,
									        self.image_processor_tester.num_channels,
									        self.image_processor_tester.crop_size['''height'''],
									        self.image_processor_tester.crop_size['''width'''],
									    )    ,						)


