generator based coroutine

gistfile1.py

import random

q = []

def producer():
    while True:
        item = random.randrange(100)
        print 'produce', item
        yield item

def consumer():
    while True:
        item = yield
        print 'consume', item


p = producer()
c = consumer()

c.send(None)
i = 0
while True:
    if i == 10:
        break

    c.send(p.next())

    i += 1