class_docstr: Abstract class defining the functions that a Communicator should implement.
class_docstr_tok: ["Abstract","class","defining","the","functions","that","a","Communicator","should","implement","."]
docstr: Returns the size of the world.
docstr_tok: ["Returns","the","size","of","the","world","."]
code: def get_world_size(self):
      """Returns the size of the world."""
      raise NotImplementedError("get_world_size is not implemented")
  
imports: import sys
  import timeit
  from crypten.config import cfg
label_desc: Use image node_id 17 for calling the Communicator obj's underlying member method code with example usage: obj.get_world_size() without return types