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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):
 """ Overload the admin's urls for MarkItUp. """

        entry_admin_urls = super(EntryAdminMarkItUpMixin, self).get_urls()
        urls = [
            url(r'^markitup/$',
                self.admin_site.admin_view(self.markitup),
                name='zinnia_entry_markitup'),
            url(r'^markitup/preview/$',
                self.admin_site.admin_view(self.content_preview),
                name='zinnia_entry_markitup_preview')
        ]
        return urls + entry_admin_urls