code: def removeTags(dom):
      
      # python 2 / 3 shill
      try:
          string_type = basestring
      except NameError:
          string_type = str
  
      # initialize stack with proper value (based on dom parameter)
      element_stack = None
      if type(dom) in [list, tuple]:
          element_stack = dom
      elif isinstance(dom, HTMLElement):
          element_stack = dom.childs if dom.isTag() else [dom]
      elif isinstance(dom, string_type):
          element_stack = parseString(dom).childs
      else:
          element_stack = dom
  
      # remove all tags
      output = ""
      while element_stack:
          el = element_stack.pop(0)
  
          if not (el.isTag() or el.isComment() or not el.getTagName()):
              output += el.__str__()
  
          if el.childs:
              element_stack = el.childs + element_stack
  
      return output
docs: Remove all tags from `dom` and obtain plaintext representation.
  
      Args:
          dom (str, obj, array): str, HTMLElement instance or array of elements.
  
      Returns:
          str: Plain string without tags.