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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 _title(self):
 """ Create a title summarizing the pathogens and samples. @return: A C{str} title. """

        return (
            'Overall, proteins from %d pathogen%s were found in %d sample%s.' %
            (len(self.pathogenNames),
             '' if len(self.pathogenNames) == 1 else 's',
             len(self.sampleNames),
             '' if len(self.sampleNames) == 1 else 's'))