





from __future__ import annotations

snake_case_				=			list[list[int]]

# assigning initial values to the grid
snake_case_				=			[
    [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
snake_case_				=			[
    [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 lowerCamelCase__    (							snake_case_	:  Matrix       ,      snake_case_	:  int       ,      snake_case_	:  int       ,      snake_case_	:  int       )      ->				bool:
   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 lowerCamelCase__    (							snake_case_	:  Matrix       )      ->				tuple[int, int] | None:
   for i in range(9       ):
      for j in range(9       ):
         if grid[i][j] == 0:
            return i, j
   return None






def lowerCamelCase__    (							snake_case_	:  Matrix       )      ->				Matrix | None:
   if location := find_empty_location(snake_case_       ):
      __snake_case       ,	__snake_case							       =   location
   else:
      # If the location is ``None``, then the grid is solved.
      return grid

   for digit in range(1       ,      10       ):
      if is_safe(snake_case_       ,      snake_case_       ,      snake_case_       ,      snake_case_       ):
         __snake_case							       =   digit

         if sudoku(snake_case_       ) is not None:
            return grid

         __snake_case							       =   0

   return None






def lowerCamelCase__    (							snake_case_	:  Matrix       )      ->				None:
   for row in grid:
      for cell in row:
         print(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:')
        snake_case_				=			sudoku(example_grid)
        if solution is not None:
            print_solution(solution)
        else:
            print('Cannot find a solution.')








import os
import unittest

from transformers.models.bartpho.tokenization_bartpho import VOCAB_FILES_NAMES, BartphoTokenizer
from transformers.testing_utils import get_tests_dir

from ...test_tokenization_common import TokenizerTesterMixin


snake_case_				=			get_tests_dir('fixtures/test_sentencepiece_bpe.model')

class 		SCREAMING_SNAKE_CASE__				(       _UpperCAmelCase						,      unittest.TestCase  ):
      A_						:				List[Any]							=    BartphoTokenizer
      A_						:				List[str]							=    False
      A_						:				Optional[Any]							=    True


      def    a (self       :      Tuple      ):





         """simple docstring"""



         super().setUp()

         __snake_case							       =   ['''▁This''', '''▁is''', '''▁a''', '''▁t''', '''est''']
         __snake_case							       =   dict(zip(a__				,			range(len(a__      )      )      )      )
         __snake_case							       =   {'''unk_token''': '''<unk>'''}

         __snake_case							       =   os.path.join(self.tmpdirname				,			VOCAB_FILES_NAMES['''monolingual_vocab_file''']      )
         with open(self.monolingual_vocab_file				,			'''w'''				,			encoding='''utf-8'''      ) as fp:
            for token in vocab_tokens:
               fp.write(f"""{token} {vocab_tokens[token]}\n"""      )

         __snake_case							       =   BartphoTokenizer(a__				,			self.monolingual_vocab_file				,			**self.special_tokens_map      )
         tokenizer.save_pretrained(self.tmpdirname      )


      def    a (self       :      str				,			**a__       :      str      ):





         """simple docstring"""



         kwargs.update(self.special_tokens_map      )
         return BartphoTokenizer.from_pretrained(self.tmpdirname				,			**a__      )


      def    a (self       :      str				,			a__       :      Any      ):





         """simple docstring"""



         __snake_case							       =   '''This is a là test'''
         __snake_case							       =   '''This is a<unk><unk> test'''
         return input_text, output_text


      def    a (self       :      Dict      ):





         """simple docstring"""



         __snake_case							       =   BartphoTokenizer(a__				,			self.monolingual_vocab_file				,			**self.special_tokens_map      )
         __snake_case							       =   '''This is a là test'''
         __snake_case							       =   '''▁This ▁is ▁a ▁l à ▁t est'''.split()
         __snake_case							       =   tokenizer.tokenize(a__      )
         self.assertListEqual(a__				,			a__      )

         __snake_case							       =   tokens + [tokenizer.unk_token]
         __snake_case							       =   [4, 5, 6, 3, 3, 7, 8, 3]
         self.assertListEqual(tokenizer.convert_tokens_to_ids(a__      )				,			a__      )

