text: class Circle:
      pi = 3.14
  
      def __init__(self, radius):
          self.radius = radius
  
      def set_radius(self, new_radius):
          self.radius = new_radius
  
      def get_area(self):
          return Circle.pi * (self.radius * self.radius)
  
      def get_circumference(self):
          return 2 * Circle.pi * self.radius
  
  
  circle = Circle(10)
  circle.set_radius(12)
  print(circle.get_area())
  print(circle.get_circumference())
  