话不多说直接上代码
Talk is cheap. Show you the code
# 多线程
import threading
import time
def work():
print("我是多线程运行")
time.sleep(1)
return
start_time = time.time()
for i in range(5):
t = threading.Thread(target=work)
t.start()
end_time = time.time()
print('花费时间:%.2fs' % (end_time - start_time))
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# 单线程
def work():
print("work")
time.sleep(1)
return
if __name__ == "__main__":
start_time = time.time()
for i in range(5):
work()
end_time = time.time()
print('花费时间:%.2fs' % (end_time - start_time))