text: import nms.py_cpy_nms as py_nms
  import nms.cy_cpu_nms as cy_nms
  
  import time
  
  
  if __name__ == '__main__':
      bboxes = np.array([[0, 0, 30, 30, 0.9],
                         [5, 6, 28, 31, 0.7],
                         [23, 29, 80, 90, 0.6]])
  
      tic = time.time()
      keep = py_nms.py_cpu_nms(bboxes, 0.2)
      print('pure python => ', keep)
      print('purl python time => ', (time.time() - tic)*1000)
  
      tic = time.time()
      keep = cy_nms.cy_cpu_nms(bboxes, 0.2)
      print('cython => ', keep)
      print('cython time => ', (time.time() - tic)*1000)