code: def move_mar_file():
      if not os.path.exists(MODEL_STORE):
          os.makedirs(MODEL_STORE)
  
      shutil.move(MAR_FILE, os.path.join(MODEL_STORE, MAR_FILE))
      print(f"Moving {MAR_FILE} into {MODEL_STORE}")
  
imports: import argparse
  import os
  import shutil
label_desc: Use image node_id 3 for calling a global function with example usage: move_mar_file() without return types