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- import asyncio
- @asyncio.coroutine
- def countdown(name, num):
- while num > 0:
- print(f'Countdown[{name}]: {num}')
- yield from asyncio.sleep(1)
- num -= 1
- def main():
- loop = asyncio.get_event_loop()
- tasks = [
- countdown("A", 10), countdown("B", 5),
- ]
- loop.run_until_complete(asyncio.wait(tasks))
- loop.close()
- if __name__ == '__main__':
- main()
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