code: def matrix_multi_write_nothing():
      with TemporaryDirectory() as tmpdir:
          mt = hl.utils.range_matrix_table(1, 1, n_partitions=1)
          mts = [mt] * 1000
          hl.experimental.write_matrix_tables(
              mts, path.join(tmpdir, "multi-write"), overwrite=True
          )
  
imports: from os import path
  from tempfile import TemporaryDirectory, NamedTemporaryFile
  import hail
  from .resources import *
  from .utils import benchmark
label_desc: Use image node_id 40 for calling a global function with example usage: matrix_multi_write_nothing() without return types