code: def get_children(self, el, start=None, reverse=False, tags=True, no_iframe=False):
          
  
          if not no_iframe or not self.is_iframe(el):
              last = len(el.contents) - 1
              if start is None:
                  index = last if reverse else 0
              else:
                  index = start
              end = -1 if reverse else last + 1
              incr = -1 if reverse else 1
  
              if 0 <= index <= last:
                  while index != end:
                      node = el.contents[index]
                      index += incr
                      if not tags or self.is_tag(node):
                          yield node
docs: Get children.