<prompt> Translate the following text to SwahiliHe picked up the bunch of keys from the floor, and twirling them round in his fingers finally selected one, very bright and shining, which he tried in the lock of the purple despatch-case.  <response>: Yeye alichukua kundi la funguo kutoka sakafu, na twirling yao pande zote katika vidole vyake hatimaye kuchaguliwa moja, mkali sana na kungaa, ambayo alijaribu katika kufuli ya zambarau despatch-kesi. 