code: def _get_available_port() -> int:
      with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
          # A "" host address means INADDR_ANY i.e. binding to all interfaces.
          # Note this is not compatible with IPv6.
          s.bind(("", 0))
          port = s.getsockname()[1]
          return port
  
imports: import os
  import random
  import re
  import socket
  from typing import Dict, List
  import torch
  import torch.distributed
label_desc: Use image node_id 9 for calling a global function with example usage: _get_available_port() and returns: port