import math

class circle():

def __init__(self,radius):

self.radius=radius

def area(self):

return math.pi*(self.radius**2)

def perimeter(self):

return 2*math.pi*self.radius

r=int(input(“Enter radius of circle: “))

obj=circle(r)

print(“Area of circle:”,round(obj.area(),2))

print(“Perimeter of circle:”,round(obj.perimeter