#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Wed Dec 12 18:18:06 2018
@author: myhaspl
"""
import tensorflow as tf
hello=tf.constant("hello,world")
sess=tf.Session()
print(sess.run(hello))
sess.close()
b‘hello,world‘
原文：http://blog.51cto.com/13959448/2329632