code: def read_pd_hdfs_file_list(iterator, file_type, **kwargs):
      import pyarrow as pa
  
      fs = pa.hdfs.connect()
      dfs = []
      for x in iterator:
          with fs.open(x, "rb") as f:
              df = read_pd_file(f, file_type, **kwargs)
              dfs.append(df)
      import pandas as pd
  
      return [pd.concat(dfs)]
  
imports: import os
  import numpy
  from zoo.common import get_file_list
  from zoo.util.utils import convert_row_to_numpy
label_desc: Use image node_id 11 for calling a global function with example usage: read_pd_hdfs_file_list(iterator, file_type) and returns: list