20 lines
411 B
Python
20 lines
411 B
Python
"""Print 'Hello World' every two seconds, using a coroutine."""
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import trollius
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from trollius import From
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@trollius.coroutine
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def greet_every_two_seconds():
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while True:
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print('Hello World')
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yield From(trollius.sleep(2))
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if __name__ == '__main__':
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loop = trollius.get_event_loop()
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try:
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loop.run_until_complete(greet_every_two_seconds())
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finally:
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loop.close()
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