#!/usr/bin/env python3
 
from inspect import getgeneratorstate
 
def coroutine(func):
  def inner(*args, **kwargs):
    g = func(*args, **kwargs)
    g.send(None)
  return inner
 
@coroutine
def average():
  count = 0
  summ = 0
  average = None
  print('init')
 
  while True:
    try:
      x = yield average
    except StopIteration:
      print('Done')
    else:
      count += 1
      summ += x
      average = round(summ / count, 2)
 
 
g = average()
print(getgeneratorstate(g))

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