code: def text(self):
          
          texts = []
          for child in self.childs:
              if isinstance(child, Tag):
                  texts.append(child.text())
              elif isinstance(child, Content):
                  texts.append(child.render())
              else:
                  texts.append(child)
          return " ".join(texts)
docs: Renders the contents inside this element, without html tags.