code: def loadThing(self,fname,ext=".pkl"):
          
          if ext and not ext in fname:
              fname+=ext
          fname=self.outpre+fname
          time1=cm.timethis()
          thing = pickle.load(open(fname,"rb"))
          print(" -> loading [%s] (%.01f kB) took %.02f ms"%(\
                os.path.basename(fname),
                sys.getsizeof(pickle.dumps(thing, -1))/1e3,
                cm.timethis(time1)))
          return thing
docs: save any object from /swhlab4/ID_[fname].pkl