code: def main():
      import getopt
  
      usage = (
          """Usage: %s [-n | -t] url
      -n: open new window
      -t: open new tab"""
          % sys.argv[0]
      )
      try:
          opts, args = getopt.getopt(sys.argv[1:], "ntd")
      except getopt.error as msg:
          print(msg, file=sys.stderr)
          print(usage, file=sys.stderr)
          sys.exit(1)
      new_win = 0
      for o, a in opts:
          if o == "-n":
              new_win = 1
          elif o == "-t":
              new_win = 2
      if len(args) != 1:
          print(usage, file=sys.stderr)
          sys.exit(1)
  
      url = args[0]
      open(url, new_win)
  
      print("\a")
  
imports: import os
  import shlex
  import shutil
  import sys
  import subprocess
  import threading
  import warnings
label_desc: Use image node_id 9 for calling a global function with example usage: main() without return types