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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def store_text_cursor_anchor(self):
 """ Stores the document cursor anchor. :return: Method success. :rtype: bool """


        self.__text_cursor_anchor = (self.textCursor(),
                                     self.horizontalScrollBar().sliderPosition(),
                                     self.verticalScrollBar().sliderPosition())
        return True