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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 _load_builtin_xml(xmlpath, parser):
 """Loads the builtin function specifications from the builtin.xml file. :arg parser: the DocParser instance for parsing the XML tags. """

    #First we need to get hold of the fortpy directory so we can locate
    #the isense/builtin.xml file.
    result = {}

    el = ET.parse(xmlpath).getroot()
    if el.tag == "builtin":
        for child in el:
            anexec = _parse_xml(child, parser)
            result[anexec.name.lower()] = anexec

    return result