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tips in playing sudoku def isValidSudoku(board): def is_valid(board, row, col, num): for i in range(9): if board[row][i] == num or board[i][col] == num: return False if board[3 * (row // 3) + i // 3][3 * (col // 3) + i % 3] == num: return False return True for i in range(9): for j in range(9): if board[i][j] != '.': if not is_valid(board, i, j, board[i][j]): return False return True Step 2: Test the function with a sample Sudoku grid. By printing off free Sudoku puzzles from reliable sources, you can access a wide variety of puzzles and challenge your mind. sudoku puzzle solutions Known for its simplicity yet challenging nature, Sudoku puzzles are a great way to keep your brain sharp and entertained. sudoku strategies when stuckworld sudoku Use a Sudoku App or Book : If you're struggling with hard puzzles, consider using a Sudoku app or book that provides hints and solutions.
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