code: def match_height_margins(boxes, levels=1):
      match_top_margins(boxes, levels=levels)
      match_bottom_margins(boxes, levels=levels)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import itertools
  import kiwisolver
  import logging
  import numpy
  import warnings
  import matplotlib
label_desc: Use image node_id 16 for calling a global function with example usage: match_height_margins(boxes, levels) without return types