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def printuptime(duration):    days = int(duration/(3600*24))     duration -= days*3600*24    hours = int(duration/3600)    duration -= hours*3600    minutes = int( duration / 60)    duration -= minutes*60    seconds = ( duration )     chaine = u"Je suis en vie depuis "    if days:        chaine += u"%d jours " % days    if hours:        chaine += u"%2d h " % hours    if minutes:        chaine += u"%2d min " % minutes    if seconds:        chaine += u"%2d s " % seconds    return chaine