code: def distance(self, other):
      return math.sqrt(
          (self.center[0] - other.center[0]) ** 2
          + (self.center[1] - other.center[1]) ** 2
      )
  
file_path: Mozart/src/box.py
imports: import cv2
  import math
label_desc: Use image node_id 3 for calling the Box obj's underlying member method code with example usage: obj.distance(other) and returns: math