code: def add_table(self, rows, cols, style=None):
          
          table = self._body.add_table(rows, cols, self._block_width)
          table.style = style
          return table
docs: Add a table having row and column counts of *rows* and *cols*
          respectively and table style of *style*. *style* may be a paragraph
          style object or a paragraph style name. If *style* is |None|, the
          table inherits the default table style of the document.