def exit_code(self):
        return self._process.poll()
Prepend given data to the value of an existing key.
dataset/ETHPy150Open boakley/robotframework-workbench/rwb/runner/tsubprocess.py/Process.exit_code--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/protocols/memcache.py/MemCacheProtocol.prepend