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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def SESSION_TIME(stats, info):
 """Total time of this session. Reports the time elapsed from the construction of the `Stats` object to this `submit()` call. This is a flag you can pass to `Stats.submit()`. """

    duration = time.time() - stats.started_time
    secs = int(duration)
    msecs = int((duration - secs) * 1000)
    info.append(('session_time', '%d.%d' % (secs, msecs)))