code: def _generate_string(str_seq: str, length: int = 10) -> str:
      return "".join(random.choices(str_seq, k=length))
  
imports: import copy
  import random
  import string
  import uuid
  from multiprocessing import Pool
  import numpy
  import pandas
  import pyarrow
  from pyarrow import parquet
  import cudf
  from cudf.utils.dtypes import np_to_pa_dtype
label_desc: Use image node_id 20 for calling a global function with example usage: _generate_string(str_seq, length) and returns: str