Return a paragraph newly added to the end of the content in this
        container, having *text* in a single run if present, and having
        paragraph style *style*. If *style* is |None|, no paragraph style is
        applied, which has the same effect as applying the 'Normal' style.

def add_paragraph(self, text='', style=None):
        """
        Return a paragraph newly added to the end of the content in this
        container, having *text* in a single run if present, and having
        paragraph style *style*. If *style* is |None|, no paragraph style is
        applied, which has the same effect as applying the 'Normal' style.
        """
        paragraph = self._add_paragraph()
        if text:
            paragraph.add_run(text)
        if style is not None:
            paragraph.style = style
        return paragraph