
import os
import tensorflow as tf
a = tf.constant(2.0,name='a')

weight = tf.Variable(0.8,name='weight')

output_value = tf.multiply(weight, a, name='output')

with tf.Session() as sess:
    sess.run(tf.global_variables_initializer())

    writer = tf.summary.FileWriter('./graphs111', sess.graph)
    print (sess.run(output_value))

writer.close()

os.system('tensorboard --logdir=./graphs111 --port 6006' )
