code: def center(points):
      return [np.mean(np.array(points), axis=0)]
  
file_path: norfair/demos/yolov7/src/demo.py
imports: import argparse
  import os
  from typing import List, Optional, Union
  import numpy
  import torch
  import torchvision.ops.boxes
  import norfair
  from norfair import Detection, Paths, Tracker, Video
label_desc: Use image node_id 1 for calling a global function with example usage: center(points) and returns: list