code: def get_file_sizes():
      for s in ["20 KiB", "400 KiB", "10 MiB"]:
          size, unit = s.split()
          size = int(size) * {"KiB": 1024, "MiB": 1024**2}[unit]
          yield s.replace(" ", ""), size
  
imports: import itertools
  import os
  import platform
  import re
  import sys
  import time
  from optparse import OptionParser
label_desc: Use image node_id 2 for calling a global function with example usage: get_file_sizes() without return types