[Python] finding elements by attribute with lxml

I need to parse a xml file to extract some data. I only need some elements with certain attributes, here's an example of document:

<root>
<articles>
<article type="news">
<content>some text</content>
</article>
<article type="info">
<content>some text</content>
</article>
<article type="news">
<content>some text</content>
</article>
</articles>
</root>


Here I would like to get only the article with the type "news". What's the most efficient and elegant way to do it with lxml?

I tried with the find method but it's not very nice:

from lxml import etree
f = etree.parse("myfile")
root = f.getroot()
articles = root.getchildren()[0]
article_list = articles.findall('article')
for article in article_list:
if "type" in article.keys():
if article.attrib['type'] == 'news':
content = article.find('content')
content = content.text

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