def text(self, selector):
        """Return text result that executed by given css selector

        :param selector: `str` css selector
        :return: `list` or `None`
        """

        result = self.__bs4.select(selector)

        return [r.get_text() for r in result] \
            if result.__len__() > 1 else \
            result[0].get_text() if result.__len__() > 0 else None
Return text result that executed by given css selector

        :param selector: `str` css selector
        :return: `list` or `None`