Method undobufferentries

Python/Turtle.py:2502–2513

Return count of entries in the undobuffer. No argument. Example (for a Turtle instance named turtle): >>> while undobufferentries(): ... undo()

(self)

            self.undobuffer = Tbuffer(size)

    def undobufferentries(self):
        """Return count of entries in the undobuffer.

        No argument.

        Example (for a Turtle instance named turtle):
        >>> while undobufferentries():
        ...     undo()
        """
        if self.undobuffer is None:
            return 0
        return self.undobuffer.nr_of_items()

    def _clear(self):
        """Delete all of pen's drawings"""