docstr: human readable representation of the Shard placement
docstr_tok: ["human","readable","representation","of","the","Shard","placement"]
code: def __str__(self) -> str:
      """human readable representation of the Shard placement"""
      return f"S({self.dim})"
  
imports: from dataclasses import dataclass
  from typing import Any, cast, List, NamedTuple, Optional, Tuple
  import torch
  import torch.distributed._functional_collectives
  import torch.distributed.distributed_c10d
  from torch.distributed._tensor._collective_utils import mesh_broadcast, mesh_scatter
  from torch.distributed.device_mesh import DeviceMesh
label_desc: Use image node_id 11 for calling the Shard obj's underlying member method code with example usage: obj.__str__() and returns: str, self, str