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#!/usr/bin/env python
 
import tensorflow as tf
 
from tensorflow.python.client import device_lib
print(str(device_lib.list_local_devices() ))
 
with tf.compat.v1.Graph().as_default():
        m1 = tf.constant([[1.0, 2.0]])
        m2 = tf.constant([[3.0], [4.0]])
        product = tf.matmul(m1, m2)
 
        with tf.compat.v1.Session() as session:
                result = session.run(product)
 
        print(result)