code: def get_mem_usage():
      try:
          import psutil
  
          mb = 1024 * 1024
          return f"used={psutil.virtual_memory().used / mb}Mb; avail={psutil.virtual_memory().available / mb}Mb"
      except ImportError:
          return "N/A"
  
imports: import contextlib
  import itertools
  import logging
  import re
  import warnings
  from typing import Optional, Tuple
  import math
  import numpy
  import torch
  from fairseq.file_io import PathManager
  from fairseq import utils
  import os
label_desc: Use image node_id 14 for calling a global function with example usage: get_mem_usage() and returns: str, unknown, str, unknown, str, str