def handle(self, a, b):
        a, b = int(a), int(b)
        total = a + b
        self.respond((a, b, total) % '%d + %d = %d')
dataset/ETHPy150Open rapidsms/rapidsms/rapidsms/contrib/handlers/tests/harness.py/AdditionPatternHandler.handle/swapped operands of `%`