# 6: contraction
            xc = centroid + self.beta * (points[-1] - centroid)
            score_c = fn(*list(xc))
            print "C Score", score_c
            if score_c < results[-1]: # result[-1]/points[-1] en kotu noktaydi
                # eger gittigimiz yer en kotu noktadan bile kotuyse geri gelme vakti
                points[-1] = xc
                print "Contraction sonrasi noktalar", points
                continue

            print "Son sonuclar",results
        return points[0] # dongu bittiginde en iyi noktayi dondur