code: def find_control_points(c1x, c1y, mmx, mmy, c2x, c2y):
      """Find control points of the bezier line through c1, mm, c2. We
      simply assume that c1, mm, c2 which have parametric value 0, 0.5, and 1.
      """
  
      cmx = 0.5 * (4 * mmx - (c1x + c2x))
      cmy = 0.5 * (4 * mmy - (c1y + c2y))
  
      return [(c1x, c1y), (cmx, cmy), (c2x, c2y)]
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import numpy
  from matplotlib.path import Path
  from operator import xor
  import warnings
label_desc: Use image node_id 13 for calling a global function with example usage: find_control_points(c1x, c1y, mmx, mmy, c2x, c2y) and returns: list