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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 _parse_xml(self, xml):
 """Extracts the attributes from the XMLElement instance."""

        from re import split
        vms("Parsing <cron> XML child tag.", 2)
        self.frequency = get_attrib(xml, "frequency", default=5, cast=int)
        self.emails = split(",\s*", get_attrib(xml, "emails", default=""))
        self.notify = split(",\s*", get_attrib(xml, "notify", default=""))