code: def execute_shifts(v):
      shift = change = 0
      for w in v.children[::-1]:
          # print("shift:", w, shift, w.change)
          w.x += shift
          w.mod += shift
          change += w.change
          shift += w.shift + change
  
file_path: scikit-learn/sklearn/tree/_reingold_tilford.py
imports: import numpy
label_desc: Use image node_id 6 for calling a global function with example usage: execute_shifts(v) without return types