In [1]:
import tensorflow as tf
with tf.name_scope("op"): 
   
    with tf.name_scope('x'):
        a = 3
        b = tf.pow(a, 2)
        
    with tf.name_scope("y"):
        c = 2
        d = tf.pow(c, 2)
    with tf.name_scope("x_y"):
        g = tf.add(b, d)
    with tf.name_scope("2xy"):    
        e = tf.multiply(tf.multiply(2,a),c)
         


    with tf.name_scope("x_y_2xy"):
        h = tf.subtract(g, e)
    

with tf.Session() as sess:
    writer = tf.summary.FileWriter("/tmp/tboard/op11", sess.graph)
    print(sess.run(h))
    writer.close()


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