text: import time
  import kaptcha
  
  
  def test4():
      start = time.time()
      obj = kaptcha.Captcha(gif=True)
      for _ in range(1000):
          obj.letter_digit()
      print(f"<gif动画>1000次测试平均单次生成时间: {(time.time() - start) / 1000:.5f}")
  
  
  def test3():
      start = time.time()
      obj = kaptcha.Captcha(imageObj=True)
      for _ in range(1000):
          obj.letter_digit()
      print(f"<Image返回>1000次测试平均单次生成时间: {(time.time() - start) / 1000:.5f}")
  
  
  def test2():
      start = time.time()
      obj = kaptcha.Captcha(enhance=True, chips=15)
      for _ in range(1000):
          obj.letter_digit()
      print(f"<滤镜渲染、超高干扰点>1000次测试平均单次生成时间: {(time.time() - start) / 1000:.5f}")
  
  
  def test1():
      start = time.time()
      for _ in range(1000):
          kaptcha.Captcha().letter_digit()
      print(f"1000次测试平均单次生成时间: {(time.time() - start) / 1000:.5f}")
  
  
  test1()
  test2()
  test3()
  test4()
  