code: def sv(data, xx, yy, rr):
      svl = []
      for i in range(len(data)):
          x, y = data[i]
          if (
              abs((xx - x) * (xx - x) + (yy - y) * (yy - y) - rr * rr)
              < 0.01
          ):
              svl.append(i)
      return svl
  
imports: from mystic.models import circle, sparse_circle
  import matplotlib.pyplot
  from mystic.solvers import DifferentialEvolutionSolver2
  from mystic.termination import ChangeOverGeneration, VTR
label_desc: Use image node_id 1 for calling a global function with example usage: sv(data, xx, yy, rr) and returns: svl