code: def generate_dict_strings(
      string_size, nunique, length, random_order=True
  ):
      uniques = np.array(
          [rands(string_size) for i in range(nunique)], dtype="O"
      )
      if random_order:
          indices = np.random.randint(0, nunique, size=length).astype(
              "i4"
          )
      else:
          indices = (
              np.arange(nunique).astype("i4").repeat(length // nunique)
          )
      return pa.DictionaryArray.from_arrays(indices, uniques)
  
imports: import shutil
  import tempfile
  from pandas.util.testing import rands
  import numpy
  import pandas
  import pyarrow
label_desc: Use image node_id 1 for calling a global function with example usage: generate_dict_strings(string_size, nunique, length, random_order) and returns: pa