code: def list_themes(v=False):
      """Display the list of the themes"""
      for theme_path, link_target in themes():
          if not v:
              theme_path = os.path.basename(theme_path)
          if link_target:
              if v:
                  print(
                      theme_path
                      + (" (symbolic link to `" + link_target + "')")
                  )
              else:
                  print(theme_path + "@")
          else:
              print(theme_path)
  
file_path: pelican/pelican/tools/pelican_themes.py
imports: import argparse
  import os
  import shutil
  import sys
label_desc: Use image node_id 4 for calling a global function with example usage: list_themes(v) without return types