old_contents: import tensorflow as tf
  
  input1 = tf.placeholder(tf.float32)
  input2 = tf.placeholder(tf.float32)
  ouput = tf.mul(input1, input2)
  
  with tf.Session() as sess:
      print(sess.run(ouput, feed_dict={input1: [7.], input2: [2.]}))
new_contents: # View more python learning tutorial on my Youtube and Youku channel!!!
  
  # Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg
  # Youku video tutorial: http://i.youku.com/pythontutorial
  
  import tensorflow as tf
  
  input1 = tf.placeholder(tf.float32)
  input2 = tf.placeholder(tf.float32)
  ouput = tf.mul(input1, input2)
  
  with tf.Session() as sess:
      print(sess.run(ouput, feed_dict={input1: [7.], input2: [2.]}))
  
subject: Update tensorflow8_feeds.py