#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import tensorflow as tf

input1 = tf.placeholder(tf.float32)
input2 = tf.placeholder(tf.float32)
output = tf.multiply(input1,input2)

with tf.Session() as sess:
    print(sess.run([output],feed_dict={input1:[7.],input2:[2.]}))
# 输出:
# [array([ 14.], dtype=float32)]