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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def post_cleanup(self):
 """\ remove any divs that looks like non-content, clusters of links, or paras with no gusto """

        targetNode = self.article.top_node
        node = self.add_siblings(targetNode)
        for e in self.parser.getChildren(node):
            e_tag = self.parser.getTag(e)
            if e_tag != 'p':
                if self.is_highlink_density(e) \
                    or self.is_table_and_no_para_exist(e) \
                    or not self.is_nodescore_threshold_met(node, e):
                    self.parser.remove(e)
        return node