26 lines
460 B
Python
26 lines
460 B
Python
# BEGIN CORO_AVERAGER
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"""
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A coroutine to compute a running average
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>>> coro_avg = averager() # <1>
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>>> next(coro_avg) # <2>
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>>> coro_avg.send(10) # <3>
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10.0
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>>> coro_avg.send(30)
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20.0
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>>> coro_avg.send(5)
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15.0
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"""
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def averager():
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total = 0.0
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count = 0
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average = None
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while True:
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term = yield average # <4>
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total += term
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count += 1
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average = total/count
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# END CORO_AVERAGER
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