# -*- coding: UTF-8 -*-
import time


def fun():
    time.sleep(5)


sinceTime = time.time()
print("开始计时时刻：", sinceTime)
fun()
endTime = time.time()
print("结束时刻：", endTime)
program_time = endTime - sinceTime
print("程序运行时间：", program_time)