code: def broadcast(tensor, src, group=group.WORLD):
      """
      Broadcasts the tensor to the whole group.
  
      ``tensor`` must have the same number of elements in all processes
      participating in the collective.
  
      Arguments:
          tensor (Tensor): Data to be sent if ``src`` is the rank of current
              process.
          src (int): Source rank.
          group (ProcessGroup, optional): The process group to work on.
  
      Returns:
          Tensor: Received tensor from the broadcast op.
  
      """
      return _Broadcast.apply(src, group, tensor)
  
imports: import torch
  import torch.distributed
  from torch.autograd import Function
  from torch.distributed import group, ReduceOp
label_desc: Use image node_id 1 for calling a global function with example usage: broadcast(tensor, src, group) and returns: _Broadcast