code: def bind(self):
      addr = self._ctx.default_addr
      bind_random = self._ctx.bind_random
      port = bind_random(self._sock, addr)
  
      return port
  
imports: import random
  import logging
  import multiprocessing
  import threading
  from fiber.backend import get_backend
label_desc: Use image node_id 5 for calling the Socket obj's underlying member method code with example usage: obj.bind() and returns: port