sudokusolver.py
def check_occurences(self) -> bool:
        '''
        Checks if every row, column and box contains only one occurrence of number.
        :return: True if sudoku is valid, otherwise False
        '''
        for e in range(0, 9):
            for number in range(1, 10):
                if np.count_nonzero(self.sudoku[e, :] == number) > 1:
                    return False
                if np.count_nonzero(self.sudoku[:, e] == number) > 1:
                    return False
                box_row = e // 3 * 3
                box_column = 3 * (e - box_row)
                if np.count_nonzero(self.sudoku[box_row:box_row + 3, box_column:box_column + 3] == number) > 1:
                    return False
        return True

        Checks if every row, column and box contains only one occurrence of number.
        :return: True if sudoku is valid, otherwise False
        
Checks if every row, column and box contains only one occurrence of number.
Checks if every row column and box contains only one occurrence of number .
def check_occurences(self) -> bool:
        for e in range(0, 9):
            for number in range(1, 10):
                if np.count_nonzero(self.sudoku[e, :] == number) > 1:
                    return False
                if np.count_nonzero(self.sudoku[:, e] == number) > 1:
                    return False
                box_row = e // 3 * 3
                box_column = 3 * (e - box_row)
                if np.count_nonzero(self.sudoku[box_row:box_row + 3, box_column:box_column + 3] == number) > 1:
                    return False
        return True
def check_occurences ( self ) -> bool : for e in range ( 0 , 9 ) : for number in range ( 1 , 10 ) : if np . count_nonzero ( self . sudoku [ e , : ] == number ) > 1 : return False if np . count_nonzero ( self . sudoku [ : , e ] == number ) > 1 : return False box_row = e // 3 * 3 box_column = 3 * ( e - box_row ) if np . count_nonzero ( self . sudoku [ box_row : box_row + 3 , box_column : box_column + 3 ] == number ) > 1 : return False return True
Checks if every row, column and box contains only one occurrence of number.
Checks if every row column and box contains only one occurrence of number .
'''
        Checks if every row, column and box contains only one occurrence of number.
        :return: True if sudoku is valid, otherwise False
        '''
True if sudoku is valid, otherwise False
True if sudoku is valid otherwise False
self