<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.siyo kila mwendo unahitaji msuguano; kwa mfano, mwendo wa ndege angani hauhitaji msuguano kabisa.  <response>: not all streams need to be closed - system.in generally does not need to be closed, for example. 