code: def execute(command, cwd=os.path.curdir, **options):
      
      process = subprocess.Popen(shlex.split(command), cwd=cwd, **options)
      stdout, stderr = process.communicate() 
      return process, stdout, stderr
docs: Run the system command with optional options.
  
      Args:
          * command: system command.
          * cwd: current working directory.
          * verbose: direct options for :func:`subprocess.Popen`.
  
      Returns:
          Opened process, standard output & error.