Python lxmlPython lxml 
Python lxml (msiexec.exe). The lxml XML toolkit is a Pythonic binding for the C libraries libxml2/libxslt.
Experience a powerful yet simple way to work with XML through the lxml XML toolkit. Built on the robust C libraries libxml2/libxslt, lxml.etree delivers a native Python API that feels familiar while offering enhanced speed and XML feature completeness.
Designed for productivity, lxml.etree follows the ElementTree API as closely as possible and expands it with advanced capabilities. Whether you're handling large datasets, building data pipelines, or optimizing performance, this toolkit offers a reliable, cross-platform solution for modern development—ideal for tasks like fast XML processing, best XML parsing for Python, and data-engineering workflows.