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correct = [[1,2,3], [2,3,1], [3,1,2]] incorrect = [[4,1,2,3,6,7,8,5,1], [6,5,8,9,4,1,3,2,7], [3,9,7,5,2,8,1,6,4], [9,6,4,2,3,5,7,8,1], [7,3,5,1,8,4,6,9,2], [8,2,1,7,9,6,4,3,5], [1,4,9,6,5,3,2,7,8], [5,8,3,4,7,2,9,1,6], [2,7,6,8,1,9,5,4,3]] incorrect2 = [[4,1,2,3,6,7,8,5,1,2], [6,5,8,9,4,1,3,2,7], [3,9,7,5,2,8,1,6,4], [9,6,4,2,3,5,7,8,1], [7,3,5,1,8,4,6,9,2], [8,2,1,7,9,6,4,3,5], [1,4,9,6,5,3,2,7,8], [5,8,3,4,7,2,9,1,6], [2,7,6,8,1,9,5,4,3]] # Checks if Sudoku is valid def check_sudoku(array): is_sudoku = True reference = range(1, len(array) + 1) transposed = zip(array) for row, _ in zip(array, transposed): if sorted(row) != reference: is_sudoku = False break return is_sudoku print check_sudoku(correct) print check_sudoku(incorrect) print check_sudoku(incorrect2)
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