import asyncio

async def pomme():
    while True:
        await asyncio.sleep(1)
        print("pomme")

async def poire():
    while True:
        await asyncio.sleep(5)
        print("poire")

async def main():
    while True:
        await pomme()
        await poire()

async def ping(msg):
    if msg > 5:
        return
    print("ping got:", msg)
    await asyncio.sleep(1)
    msg += 1
    await pong(msg)

async def pong(msg):
    if msg > 5:
        return
    print("pong got:", msg)
    await asyncio.sleep(1)
    msg += 1
    await ping(msg)

if __name__ == "__main__":
    loop = asyncio.get_event_loop()
    loop.run_until_complete(asyncio.gather(ping(1), pomme(), poire()))