34 lines
568 B
Python
34 lines
568 B
Python
from collections import deque
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tasks = deque()
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def run():
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while tasks:
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task = tasks.popleft()
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try:
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task.send(None)
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tasks.append(task)
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except StopIteration:
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print('Task done')
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def countdown(n):
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while n > 0:
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print('T-minus', n)
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yield
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n -= 1
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def countup(n):
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x = 0
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while x < n:
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print('Up we go', x)
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yield
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x += 1
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if __name__ == '__main__':
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tasks.append(countdown(10))
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tasks.append(countdown(5))
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tasks.append(countup(20))
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run()
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