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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def prettify(unicode_text):
 """Return a pretty-printed version of a unicode XML string. Useful for debugging. Args: unicode_text (str):
 A text representation of XML (unicode, *not* utf-8). Returns: str: A pretty-printed version of the input. """

    import xml.dom.minidom
    reparsed = xml.dom.minidom.parseString(unicode_text.encode('utf-8'))
    return reparsed.toprettyxml(indent="  ", newl="\n")