# 消費者
def customer():
a = 0
while True:
a = yield a
print("a = %s"% a)
# 生産者
def producer(c):
c.send(None) # 啟動生成器
for i in range(5):
b = c.send(i)
print("b = %s"% b)
c.close()
producer(customer())
"""
a = 0
b = 0
a = 1
b = 1
a = 2
b = 2
a = 3
b = 3
a = 4
b = 4
"""