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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 list_app(self):
        '''
        List the apps.
        '''
        kwd = {
            'pager': '',
            'title': ''
        }
        self.render('user/info_list/list_app.html', kwd=kwd,
                    userinfo=self.userinfo)