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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 _line(self, element):
 """Parses the XML element as a single line entry in the input file."""

        for v in _get_xml_version(element):
            if "id" in element.attrib:
                tline = TemplateLine(element, None, self.versions[v].comment)
                self.versions[v].entries[tline.identifier] = tline
                self.versions[v].order.append(tline.identifier)
            else:
                msg.warn("no id element in {}. Ignored. (_line)".format(element))