Описание тега minidom
NoneXml.dom.minidom is a Python DOM implementation, part of the standard library. It's use is not recommended, you probably want to use xml.etree.ElementTree instead.
xml.dom.minidom is a minimal XML DOM Level 1 implementation (with Level 2 namespace support added on), part of the Python standard library.
Unless you specifically need to use the DOM API, its use is not recommended. You probably want to use the more Python developer-friendly elementtree API instead.