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(callback,queue='hello',no_ack=True)

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