code: def get_thread(self, dwThreadId):
          
          self.__initialize_snapshot()
          if dwThreadId not in self.__threadDict:
              msg = "Unknown thread ID: %d" % dwThreadId
              raise KeyError(msg)
          return self.__threadDict[dwThreadId]
docs: @type  dwThreadId: int
          @param dwThreadId: Global ID of the thread to look for.
  
          @rtype:  L{Thread}
          @return: Thread object with the given global ID.