莫煩TensorFlow_04

運行的時候賦值，很像函數的形參

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.]} ))