code: def extract(self):
          
          if self.parent:
              try:
                  self.parent.contents.remove(self)
              except ValueError:
                  pass
  
          #Find the two elements that would be next to each other if
          #this element (and any children) hadn't been parsed. Connect
          #the two.
          lastChild = self._lastRecursiveChild()
          nextElement = lastChild.next
  
          if self.previous:
              self.previous.next = nextElement
          if nextElement:
              nextElement.previous = self.previous
          self.previous = None
          lastChild.next = None
  
          self.parent = None
          if self.previousSibling:
              self.previousSibling.nextSibling = self.nextSibling
          if self.nextSibling:
              self.nextSibling.previousSibling = self.previousSibling
          self.previousSibling = self.nextSibling = None
          return self
docs: Destructively rips this element out of the tree.