from threading import Thread, Conditioncondition = Condition()
current = "A"class ThreadA(Thread):
def run(self):
global current
for _ in range(10):
with condition:
while current != "A":
condition.wait()
print("A",end=" ")
current = "B"
condition.notify_all()class ThreadB(Thread):
def run(self):
global current
for _ in range(10):
with condition:
while current != "B":
condition.wait()
print("B",end=" ")
current = "C"
condition.notify_all()class ThreadC(Thread):
def run(self):
global current
for _ in range(10):
with condition:
while current != "C":
condition.wait()
print("C",end=", ")
current = "A"
condition.notify_all()a = ThreadA()
b = ThreadB()
c = ThreadC()a.start()
b.start()
c.start()a.join()
b.join()
c.join()
【Python|开3个线程按照顺序打印ABC 10次】输出：
A B C, A B C, A B C, A B C, A B C, A B C, A B C, A B C, A B C, A B C,
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