code: def main(_):
      with zipfile.ZipFile(FLAGS.export_zip_path, mode="w") as zf:
          for root, _, files in os.walk(FLAGS.file_directory):
              for f in files:
                  if f.endswith(".java"):
                      zf.write(os.path.join(root, f))
  
imports: import os
  import zipfile
  from absl import app
  from absl import flags
label_desc: Use image node_id 1 for calling a global function with example usage: main(_) without return types