old_version/solver.py
def increment_digit_and_add_to_stack(self, element: SudokuElement) -> None:
        """
        Increments number in element's counter and adds element into stack (queue of recently updates elements,
        which enable to check if elements are not easy solvable).
        :param element: sudoku element
        :return: None
        """
        element.increment_digits()
        self.s.unchecked_stack.append(element)
        return None

        Increments number in element's counter and adds element into stack (queue of recently updates elements,
        which enable to check if elements are not easy solvable).
        :param element: sudoku element
        :return: None
        
Increments number in element's counter and adds element into stack (queue of recently updates elements,
which enable to check if elements are not easy solvable).
Increments number in element ' s counter and adds element into stack ( queue of recently updates elements which enable to check if elements are not easy solvable ) .
def increment_digit_and_add_to_stack(self, element: SudokuElement) -> None:
        element.increment_digits()
        self.s.unchecked_stack.append(element)
        return None
def increment_digit_and_add_to_stack ( self , element : SudokuElement ) -> None : element . increment_digits ( ) self . s . unchecked_stack . append ( element ) return None
Increments number in element's counter and adds element into stack (queue of recently updates elements,
which enable to check if elements are not easy solvable).
Increments number in element ' s counter and adds element into stack ( queue of recently updates elements which enable to check if elements are not easy solvable ) .
"""
        Increments number in element's counter and adds element into stack (queue of recently updates elements,
        which enable to check if elements are not easy solvable).
        :param element: sudoku element
        :return: None
        """
None
self
element
SudokuElement
None