import tensorflow as tf
tf.compat.v1.disable_eager_execution() ＃保证sess.run()能够正常运行
hello = tf.constant('hello,tensorflow')
sess= tf.compat.v1.Session()＃版本2.0的函数
print(sess.run(hello))
node1 = tf.constant(3.0, tf.float32, name = "node1")
node2 = tf.constant(4.0, tf.float32, name = "node2")
node3 = tf.add(node1, node2)
原文链接：https://blog.csdn.net/weixin_38410551/article/details/103631977
