我想访问子节点中存在的信息。这是因为文件的结构吗?
尝试单独提取文件中的作者子节点信息并运行python代码。效果很好
import urllib
import xml.etree.ElementTree as ET
url = 'https://dailymed.nlm.nih.gov/dailymed/services/v2/spls/fe9e8b7d-61ea-409d-84aa-3ebd79a046b5.xml'
print 'Retrieving', url
document = urllib.urlopen (url).read()
print 'Retrieved', len(document), 'characters.'
print document[:50]
tree = ET.fromstring(document)
lst = tree.findall('title')
print lst[:100]
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