gistfile1.py

from collections import deque

class Addable(object):

    def __init__(self):
        self.holder = deque()

    def adder(self):
        while True:
            try:
                self.holder.append((yield))
            except GeneratorExit:
                return

    def show(self):
        while True:
            try:
                yield self.holder.popleft()
            except IndexError:
                return

def do2():
    a = Addable()
    adder = a.adder()
    shower = a.show()
    adder.next()

    for i in ['you', 'sexy', 'thing']:
        adder.send(i)

    print shower.next()

    for i in ['YOU', 'SEXY', 'THING']:
        adder.send(i)
        print shower.next()

    print "remains"
    for remains in shower:
        print remains
    shower = a.show() # gotta reboot the shower

    adder.send('so done now')
    print shower.next()

if __name__ == '__main__':
    do2()