def elapsed():
    running = (time.time() - START)
    (minutes, seconds) = divmod(running, 60)
    (hours, minutes) = divmod(minutes, 60)
    return ('%d:%02d:%02d' % (hours, minutes, seconds))
def elapsed():
    running = (time.time() - START)
    (minutes, seconds) = divmod(running, 60)
    (hours, minutes) = divmod(minutes, 60)
    return ('%d:%02d:%02d' % (hours, minutes, seconds))