1import trio
2
3async def main():
4    async with trio.open_nursery() as nursery:
5        send_channel, receive_channel = trio.open_memory_channel(0)
6        nursery.start_soon(producer, send_channel)
7        nursery.start_soon(consumer, receive_channel)
8
9async def producer(send_channel):
10    async with send_channel:
11        for i in range(3):
12            await send_channel.send(f"message {i}")
13
14async def consumer(receive_channel):
15    async with receive_channel:
16        async for value in receive_channel:
17            print(f"got value {value!r}")
18
19trio.run(main)
20