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from time import sleep

from myutils import coroutine

@coroutine

def create_delivery_man(name, capacity=1):

buffer = []

while True:

size = 0

while size < capacity:

pkg_name = yield

if pkg_name:

size += 1

buffer.append(pkg_name)

print('%s正在接受%s' % (name, pkg_name))

else:

break

print('=====%s正在派送%d件包裹=====' % (name, len(buffer)))

sleep(3)

buffer.clear()

def create_package_center(consumer, max_packages):

num = 0

while num <= max_packages:

print('快递中心准备派送%d号包裹' % num)

consumer.send('包裹-%d' % num)

num += 1

if num % 10 == 0:

sleep(5)

consumer.send(None)

def main():

print(create_delivery_man.__name__)

dm = create_delivery_man('王大锤', 7)

create_package_center(dm, 25)

if __name__ == '__main__':

main()