擅长:python、mysql、java
<p>要删除<code>subsubitem</code>或{<cd2>}的实例,无论它们的深度如何,请考虑以下示例(注意它使用<a href="http://lxml.de/" rel="nofollow noreferrer">^{<cd3>}</a>而不是上游ElementTree):</p>
<pre><code>import lxml.etree as etree
el = etree.fromstring('<root><item><subitem><subsubitem/></subitem></item></root>')
for child in el.xpath('.//subsubitem | .//subitem'):
child.getparent().remove(child)
</code></pre>