# -*- encoding=utf-8 -*-


from loop import coroutine, YieldLoop

@coroutine
def func(n):
    sum = 0
    for i in range(1, n+1):
        sum += yield i
    print('sum = ', sum)


YieldLoop.instance().add_coroutine(func(100))
YieldLoop.instance().run_until_complete()                                

(base) [root@k8s-ansible 17_coroutine]# python 11_coroutine.py
Traceback (most recent call last):
File “11_coroutine.py”, line 4, in
from loop import coroutine, YieldLoop
ModuleNotFoundError: No module named ‘loop’

pip3 install coroutine也没有解决