code: def gather(tensor, dst=0, group=group.WORLD):
      """
      Gathers a list of tensors in a single process.
  
      Arguments:
          tensor (Tensor): Input tensor.
          dst (int, optional): Destination rank (default is 0).
          group (ProcessGroup, optional): The process group to work on.
  
      Returns:
          tuple[Tensor]: List of appropriately-sized tensors with the gathered data.
      """
      return _Gather.apply(dst, group, tensor)
  
imports: import torch
  import torch.distributed
  from torch.autograd import Function
label_desc: Use image node_id 2 for calling a global function with example usage: gather(tensor, dst, group) and returns: _Gather