code: def test_corner_to_center():
      xmin, ymin, xmax, ymax = 0, 0, 10, 10
      cx, cy, h, w = BoundingBoxes.corner_to_center(
          xmin, ymin, xmax, ymax
      )
      assert (cx, cy, h, w) == (5, 5, 10, 10)
  
imports: import numpy
  from imgaug.augmentables import bbs
  from chitra.coordinates import BoundingBoxes
label_desc: Use image node_id 2 for calling a global function with example usage: test_corner_to_center() without return types