new_contents: import tensorflow as tf
  import numpy as np
  
  example = tf.Variable(np.random.random(6))
  batch = tf.train.batch([example], batch_size=4, num_threads=2,  capacity=1, enqueue_many=True)
  sess = tf.Session()
  coord = tf.train.Coordinator()
  init = tf.initialize_all_variables()
  sess.run(init)
  threads = tf.train.start_queue_runners(sess=sess, coord=coord)
  while not coord.should_stop():
  	print sess.run([batch])[0]
  coord.request_stop()
  coord.join(threads)
  
subject: add example