import threading
def job1():
global A, lock
lock.acquire()
for i in range(10):
A += 1
print('job1',A)
lock.release()
def job2():
global A,lock
lock.acquire()
for i in range(10):
A += 10
print('job2',A)
lock.release()
if __name__ == '__main__':
lock = threading.Lock()
A = 0
t1 = threading.Thread(target=job1)
t2 = threading.Thread(target=job2)
t1.start()
t2.start()
t1.join()
t2.join()
result:
job1 1
job1 2
job1 3
job1 4
job1 5
job1 6
job1 7
job1 8
job1 9
job1 10
job2 20
job2 30
job2 40
job2 50
job2 60
job2 70
job2 80
job2 90
job2 100
job2 110
