code: def get_bezier(steps, points):
      
      res = []
      num_pts = len(points)
      for i in range(0, num_pts + 1, 3):
          if i + 4 < num_pts + 1:
              res.extend(list(get_4pt_bezier(steps, points[i:i + 4])))
      return res
docs: Gets a series of bezier curve points with any number of sets
      of 4 control points.