最简单的 TensorFlow 代码，TensorFlow Hello World 。

# -*- coding:utf-8 -*-from __future__ import print_function'''HelloWorld example using TensorFlow library.Author: Aymeric DamienProject: https://github.com/aymericdamien/TensorFlow-Examples/''''''简单  helloworld 使用 TensorFlow创建一个常量 op这个 op 作为节点被添加到默认图这个值被创建者返回并显示在输出中'''import tensorflow as tf# Simple hello world using TensorFlow# Create a Constant op# The op is added as a node to the default graph.## The value returned by the constructor represents the output# of the Constant op.hello = tf.constant('Hello, TensorFlow!')# Start tf sessionsess = tf.Session()# Run the opprint(sess.run(hello))'''输出内容：Hello, TensorFlow!'''

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