code: def _make_title(self):
          
          if self._title:
              for i, title_line in enumerate(self._title, 1):
                  self.svg.node(
                      self.nodes['title'],
                      'text',
                      class_='title plot_title',
                      x=self.width / 2,
                      y=i * (self.style.title_font_size + self.spacing)
                  ).text = title_line
docs: Make the title