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POMerge xml files with nested elements without external libraries
 

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    <p>I am trying to merge multiple XML files together using Python and no external libraries. The XML files have nested elements.</p> <p><strong>Sample File 1:</strong></p> <pre><code>&lt;root&gt; &lt;element1&gt;textA&lt;/element1&gt; &lt;elements&gt; &lt;nested1&gt;text now&lt;/nested1&gt; &lt;/elements&gt; &lt;/root&gt; </code></pre> <p><strong>Sample File 2:</strong></p> <pre><code>&lt;root&gt; &lt;element2&gt;textB&lt;/element2&gt; &lt;elements&gt; &lt;nested1&gt;text after&lt;/nested1&gt; &lt;nested2&gt;new text&lt;/nested2&gt; &lt;/elements&gt; &lt;/root&gt; </code></pre> <p><strong>What I Want:</strong></p> <pre><code>&lt;root&gt; &lt;element1&gt;textA&lt;/element1&gt; &lt;element2&gt;textB&lt;/element2&gt; &lt;elements&gt; &lt;nested1&gt;text after&lt;/nested1&gt; &lt;nested2&gt;new text&lt;/nested2&gt; &lt;/elements&gt; &lt;/root&gt; </code></pre> <p><strong>What I have tried:</strong></p> <p>From <a href="https://stackoverflow.com/a/11315257/1561176">this answer</a>. </p> <pre><code>from xml.etree import ElementTree as et def combine_xml(files): first = None for filename in files: data = et.parse(filename).getroot() if first is None: first = data else: first.extend(data) if first is not None: return et.tostring(first) </code></pre> <p><strong>What I Get:</strong></p> <pre><code>&lt;root&gt; &lt;element1&gt;textA&lt;/element1&gt; &lt;elements&gt; &lt;nested1&gt;text now&lt;/nested1&gt; &lt;/elements&gt; &lt;element2&gt;textB&lt;/element2&gt; &lt;elements&gt; &lt;nested1&gt;text after&lt;/nested1&gt; &lt;nested2&gt;new text&lt;/nested2&gt; &lt;/elements&gt; &lt;/root&gt; </code></pre> <p>I hope you can see and understand my problem. I am looking for a proper solution, any guidance would be wonderful.</p> <p>To clarify the problem, using the current solution that I have, nested elements are not merged.</p>
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