code: def run():
      c = 0.005
      n_steps = 1000000
  
      # starting geometry
      rOH = 10.0
      thetaHOH = 180.0
  
      for i in range(n_steps):
          (E, grOH, gthetaHOH) = Eandg(rOH, thetaHOH)
          if abs(grOH) > 0.001 / c or abs(gthetaHOH) > 0.01 / c:
              rOH = rOH - c * grOH
              thetaHOH = thetaHOH - c * gthetaHOH
  
      converged = abs(grOH) > 0.001 / c or abs(gthetaHOH) > 0.01 / c
  
      return converged, E, rOH, thetaHOH
  
label_desc: Use image node_id 2 for calling a global function with example usage: run() and returns: converged,  E,  rOH,  thetaHOH