stackles.py

#!/usr/bin/env stackless

import stackless

def sendKidsToShops():
    kids = 3
    ch.send(kids)
    print kids, "kids sent to the store"

def buySweeties():
    n = ch.receive()
    while n:
        print "kid #", n, "is spending your money on candy."
        n -= 1
        #stackless.schedule()
        
ch = stackless.channel()
stackless.tasklet(sendKidsToShops)()
stackless.tasklet(buySweeties)()
stackless.run()