np.savetxt('dense.txt', dense)

dense = np.loadtxt('dense.txt')

hadoop/bin/./hadoop jar /home/hadoopuser/hadoop/share/hadoop/tools/lib/hadoop-streaming-2.6.0.jar  -file kmeans_mapper.py    -mapper kmeans_mapper.py -file kmeans_reducer.py   -reducer kmeans_reducer.py -input gutenberg/small_train.csv -output gutenberg/out
-file dense.txt

0.9e-00 0.5e-00 0.3e-00
0.9e-01 0.5e-02 0.3e-03