code: def find_unused_port(
      family=socket.AF_INET, socktype=socket.SOCK_STREAM
  ):
      """Returns an unused port that should be suitable for binding.  This is
      achieved by creating a temporary socket with the same family and type as
      the 'sock' parameter (default is AF_INET, SOCK_STREAM), and binding it to
      the specified host address (defaults to 0.0.0.0) with the port set to 0,
      eliciting an unused ephemeral port from the OS.  The temporary socket is
      then closed and deleted, and the ephemeral port is returned.
      """
      with socket.socket(family, socktype) as tempsock:
          tempsock.bind(("", 0))
          port = tempsock.getsockname()[1]
      del tempsock
      return port
  
imports: import contextlib
  import io
  import random
  import socket
  import subprocess
  import sys
  import threading
  import uuid
  import numpy
label_desc: Use image node_id 7 for calling a global function with example usage: find_unused_port(family, socktype) and returns: port