code: def get_free_port(n=10):
      """Generate random ports and return the first available
  
      Parameters
      -----------
      n : int
          Number of tries
  
      Returns
      --------
      int or None
      """
      for i in range(n):
          port = random.randrange(1024, 49152)
          if try_port(port):
              return port
      return None
  
file_path: DALEX/python/dalex/dalex/arena/static.py
imports: import json
  import webbrowser
  import random
  import socket
  import logging
  import sys
  from .server import convert
label_desc: Use image node_id 2 for calling a global function with example usage: get_free_port(n) and returns: None, port