import tensorflow as tf  

matrix1 = tf.constant([[3,3]]) # 1X2

matrix2 = tf.constant([[2],

               [2]])  

product = tf.matmul(matrix1, matrix2)  

#method 1

#sess = tf.Session()

#result = sess.run(product)  

#print(result)

#sess.close()  

#method 2

with tf.Session() as sess:

  result2 = sess.run(product)

  print(result2)