秒表

import time
print("请按下回车键开始,然后在你要标记的时间点按下回车键,用Ctrol-C退出")
input()
print('开始喽!')

startTime = time.time()
lastTime = startTime
lapNum = 1
try:
    while True:
        input()
        lapTime = round(time.time()-lastTime,2)
        totalTime = round(time.time()-startTime,2)
        print('记录#%s: %ss 	(%ss)' %(lapNum,totalTime,lapTime),end='')
        lapNum +=1
        lastTime = time.time()

except KeyboardInterrupt:
    print('
恭喜你完成了本次记录!')