code: def printAllElements(self):
          
          cnt = 1
          print("{id:<3s}: {name:<12s} {type:<10s} {classname:<10s}"
                .format(id='ID', name='Name', type='Type', classname='Class Name'))
          for e in self._lattice_eleobjlist:
              print("{cnt:>03d}: {name:<12s} {type:<10s} {classname:<10s}"
                    .format(cnt=cnt, name=e.name, type=e.typename, classname=e.__class__.__name__))
              cnt += 1
docs: print out all modeled elements