test.py

from __future__ import print_function

import tensorflow as tf
FLAGS = None
a = tf.constant([[2, 3],[4,1]])
b = tf.constant([[5, 6],[1,3]])
d = tf.constant([[0, 4],[9,8]])
with tf.Session() as sess:
    c = sess.run(a+b)
    print("a+b = c\n",c)
    # a+b = c
    # [[7 9]
    #  [5 4]]
    e = sess.run(c*d)
    print ("c*d = e\n",e)
    # c*d = e
    # [[ 0 36]
    #  [45 32]]
    train_writer = tf.summary.FileWriter('/tmp/example',sess.graph)