import threading # 线程
import time
def Hi(mun):
print("hello %d" %mun)
time.sleep(3)
if __name__ == '__main__':
t1 = threading.Thread(target=Hi,args=(10,)) #创建了一个线程
t1.start()
t2 = threading.Thread(target=Hi,args=(9,)) # 创建了一个线程
t2.start()
print("ending........")