code: def distance(box_1, box_2):
      x1, y1, x2, y2 = box_1
      x3, y3, x4, y4 = box_2
      dis = abs(x3 - x1) + abs(y3 - y1) + abs(x4 - x2) + abs(y4 - y2)
      dis_2 = abs(x3 - x1) + abs(y3 - y1)
      dis_3 = abs(x4 - x2) + abs(y4 - y2)
      return dis + min(dis_2, dis_3)
  
file_path: PaddleOCR/ppstructure/table/matcher.py
imports: import numpy
  from ppstructure.table.table_master_match import deal_eb_token, deal_bb
label_desc: Use image node_id 1 for calling a global function with example usage: distance(box_1, box_2) and returns: unknown