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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 get_urls(self):
 """ Extend the admin urls for the CompetitionEntryAdmin model to be able to invoke a CSV export view on the admin model """

        urls = super(CompetitionEntryAdmin, self).get_urls()
        csv_urls = patterns('',
            url(
                r'^exportcsv/$',
                self.admin_site.admin_view(self.csv_export),
                name='competition-csv-export'
            )
        )
        return csv_urls + urls