sudokusolver.py
def is_sudoku_completed(self) -> bool:
        """
        Checks if there are no blank cells and all elements are correctly filled.
        :return: bool
        """
        if np.count_nonzero(self.sudoku) == 81:
            if self.check_occurences():
                return True
        return False

        Checks if there are no blank cells and all elements are correctly filled.
        :return: bool
        
Checks if there are no blank cells and all elements are correctly filled.
Checks if there are no blank cells and all elements are correctly filled .
def is_sudoku_completed(self) -> bool:
        if np.count_nonzero(self.sudoku) == 81:
            if self.check_occurences():
                return True
        return False
def is_sudoku_completed ( self ) -> bool : if np . count_nonzero ( self . sudoku ) == 81 : if self . check_occurences ( ) : return True return False
Checks if there are no blank cells and all elements are correctly filled.
Checks if there are no blank cells and all elements are correctly filled .
"""
        Checks if there are no blank cells and all elements are correctly filled.
        :return: bool
        """
None
self