code: def parallel_write(arrays, fname):
      # TODO: make this actually parallel
      with open(fname, "wb") as f:
          np.savez(f, *arrays)
  
imports: import functools
  import io
  import json
  import time
  import jax
  import jax.numpy
  import numpy
  import multiprocessing
  import ray
  from smart_open import open
  from mesh_transformer.util import head_print
label_desc: Use image node_id 10 for calling a global function with example usage: parallel_write(arrays, fname) without return types