code: def getContent(self):
          
          if not self.isTag() and self._element:
              return self._element
  
          if not self.childs:
              return ""
  
          output = ""
          for c in self.childs:
              if not c.isEndTag():
                  output += c.toString()
  
          if output.endswith("\n"):
              return output.rstrip()
  
          return output
docs: Returns:
              str: Content of tag (everything between `opener` and `endtag`).