code: def run_lsof():
      """Run the lsof command and return its output."""
      try:
          process = subprocess.Popen(
              ["lsof"], stdout=subprocess.PIPE, text=True
          )
          output, _ = process.communicate()
          return output
      except Exception as e:
          print(f"Error running lsof: {e}")
          return ""
  
imports: import argparse
  from collections import defaultdict
  import subprocess
label_desc: Use image node_id 1 for calling a global function with example usage: run_lsof() and returns: output, str