code: def test_weka(filename):
      data, meta = loadarff(filename)
      print(len(data.dtype))
      print(data.size)
      for i in meta:
          print_attribute(i, meta[i], data[i])
  
imports: from __future__ import division, print_function, absolute_import
  import re
  import itertools
  import datetime
  from functools import partial
  import numpy
  from scipy._lib.six import next
label_desc: Use image node_id 20 for calling a global function with example usage: test_weka(filename) without return types