code: def pointAngle(Apoint, Bpoint):
      angle = (Bpoint[1] - Apoint[1]) / (
          (Bpoint[0] - Apoint[0]) + 10e-8
      )
      return angle
  
imports: import math
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: pointAngle(Apoint, Bpoint) and returns: angle