text: from preprocessing import train_ready as t
  
  def test_get_file_names_and_labels():
      import pandas as pd 
      import random
      s = [random.choices(range(100,104), k=4) for i in range(5)]
      df = pd.DataFrame(s, columns=['id', 'lab1', 'lab2', 'lab3']).astype(str)
      print(df)
      label_columns = ['lab1', 'lab2',]
      fileid_col = 'id'
      
      print(t.get_file_names_and_labels(df, label_columns=label_columns, fileid_col=fileid_col))
  
  test_get_file_names_and_labels()