擅长:python、mysql、java
<pre><code>import xml.etree.ElementTree as ET
content = '''
<XnaContent>
<Asset Type="data:MyData"/>
<Asset Type="data:MyData"/>
</XnaContent>'''
doc = ET.fromstring(content)
ET.register_namespace('data','ModelData')
tree = ET.ElementTree(doc)
root = tree.getroot()
root.tag = '{ModelData}XnaContent'
print(ET.tostring(root, method = 'xml'))
</code></pre>
<p>收益率</p>
^{pr2}$