code: def get_focused_window_name(self):
      focused_window_id = (
          subprocess.check_output(shlex.split("xdotool getwindowfocus"))
          .decode("utf-8")
          .strip()
      )
      return (
          subprocess.check_output(
              shlex.split(f"xdotool getwindowname {focused_window_id}")
          )
          .decode("utf-8")
          .strip()
      )
  
file_path: SerpentAI/serpent/window_controllers/linux_window_controller.py
imports: from serpent.window_controller import WindowController
  import subprocess
  import shlex
  import re
label_desc: Use image node_id 8 for calling the LinuxWindowController obj's underlying member method code with example usage: obj.get_focused_window_name() and returns: subprocess