code: def bezier(self, points):
          
          coordinates = pgmagick.CoordinateList()
          for point in points:
              x, y = float(point[0]), float(point[1])
              coordinates.append(pgmagick.Coordinate(x, y))
          self.drawer.append(pgmagick.DrawableBezier(coordinates))
docs: Draw a Bezier-curve.
  
          :param points: ex.) ((5, 5), (6, 6), (7, 7))
          :type points: list