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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 end_output (self, **kwargs):
 """Finish graph output, and print end of checking info as xml comment."""

        self.xml_endtag(u"graph")
        self.xml_endtag(u"GraphXML")
        self.xml_end_output()
        self.close_fileoutput()