def flush(self):
        for f in self.__files:
            f.flush()
Returns the number of elements in the container.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/grizzled/grizzled/io/__init__.py/MultiWriter.flush--crossover with--dataset/ETHPy150Open sklearn-theano/sklearn-theano/sklearn_theano/externals/google/protobuf/internal/containers.py/BaseContainer.__len__