text: import os
  
  
  def test_crawler_with_threads(benchmark):
      benchmark(os.system, 'python 2_crawler_with_threads.py')
  
  
  def test_crawler_with_green_threads(benchmark):
      benchmark(os.system, 'python 3_crawler_with_green_threads.py')
  
  
  def test_crawler_with_asyncio(benchmark):
      benchmark(os.system, 'python 4_crawler_with_async.py')
  
  
  def test_crawler_with_multiprocessing(benchmark):
      benchmark(os.system, 'python 5_crawler_with_multiprocessing.py')
  