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