#!/usr/bin/env python
import pika
connection=pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel=connection.channel()
channel.queue_declare(queue='hello')
def callback(ch, method, properties, body):
    print(" [x] Received %r" % body)


channel.basic_consume(queue='hello',
                      auto_ack=True,
                      on_message_callback=callback)


print(' [*] Waiting for messages. To exit press CTRL+C')
channel.start_consuming()

