code: def fmt_mem(b):
      if b is None:
          return "NA"
      return f"{int(math.ceil(b / (1024 * 1024)))}"
  
file_path: hail/benchmark/python/benchmark_hail/compare.py
imports: import json
  import os
  import sys
  import math
  from scipy.stats.mstats import gmean, hmean
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: fmt_mem(b) and returns: int, str