@property
    def _val_pt_xml(self):
        xml = ''
        for idx, value in enumerate(self._values):
            xml += (
                '                <c:pt idx="%d">\n'
                '                  <c:v>%s</c:v>\n'
                '                </c:pt>\n'
            ) % (idx, value)
        return xml
The unicode XML snippet containing the ``<c:pt>`` elements for this
dataset/ETHPy150Open scanny/python-pptx/pptx/chart/data.py/_SeriesData._val_pt_xml