text: # coding: utf-8
  
  import tensorflow as tf
  
  c1 = tf.constant([[2, 2]])
  c2 = tf.constant([
  [4], 
  [4]])
  
  mult = tf.matmul(c1, c2)
  
  print(mult)
  
  sess = tf.Session()
  res = sess.run(mult)
  print(res)
  sess.close()
  
  with tf.Session() as sess:
    res2 = sess.run(mult)
    print(res2)
  