def get_level(self, parent, block):
        """ Get level of indent based on list level. """
        # Get indent level
        m = self.INDENT_RE.match(block)
        if m:
            indent_level = len(m.group(1))/self.tab_length
        else:
            indent_level = 0
        if self.parser.state.isstate('list'):
            # We're in a tightlist - so we already are at correct parent.
            level = 1
        else:
            # We're in a looselist - so we need to find parent.
            level = 0
        # Step through children of tree to find matching indent level.
        while indent_level > level:
            child = self.lastChild(parent)
            if child or (child.tag in self.LIST_TYPES or child.tag in self.ITEM_TYPES):
                if child.tag in self.LIST_TYPES:
                    level += 1
                parent = child
            else:
                # No more child levels. If we're short of indent_level,
                # we have a code block. So we stop here.
                break
        return level, parent
dataset/ETHPy150Open darcyliu/storyboard/markdown/blockprocessors.py/ListIndentProcessor.get_level/operator `and` -> `or`