class_docstr: Context information of the current process.
class_docstr_tok: ["Context","information","of","the","current","process","."]
code: def worker_name(self) -> str:
      return f"{self.group_name}-{self.rank}"
  
imports: from dataclasses import dataclass
  from enum import Enum
label_desc: Use image node_id 1 for calling the DistContext obj's underlying member method code with example usage: obj.worker_name() and returns: self, str, self