code: def write_chunk(binfile, converters, chunk):
      binfile.flush()
      chunk.offset = binfile.tell()
      # write out the number of samples for each sequence in the chunk
      binfile.write(
          b"".join([struct.pack("<I", x) for x in chunk.sequences])
      )
  
      for converter in converters.values():
          converter.write_data(binfile)
          converter.reset()
  
imports: import sys
  import argparse
  import struct
  import os
  from collections import OrderedDict
label_desc: Use image node_id 2 for calling a global function with example usage: write_chunk(binfile, converters, chunk) without return types