code: def mock_last_names(n: int = 10000):
      last_names = []
      for i in range(n):
          last_names.append(names.get_last_name())
      return pd.Series(last_names).str.lower().rename("last_name")
  
file_path: bias-detector/tests/mocks_generator.py
imports: import names
  import pandas
  import numpy
  import random
  import os
  import sys
  from bias_detector.BiasDetector import BiasDetector
label_desc: Use image node_id 2 for calling a global function with example usage: mock_last_names(n) and returns: pd