import platform
from time import strftime
from time import gmtime
print('系统:',platform.system())
import time
T1 = time.perf_counter()
#______假设下面是程序部分______
for i in range(50000*100000):
pass
T2 =time.perf_counter()
print('程序运行时间:%s毫秒' % ((T2 - T1)*1000))
print(strftime("%H:%M:%S", gmtime(T2-T1)))