import math
class Circle:
def __init__(self, radius):
self.radius = radius
def get_area(self):
return math.pi * self.radius ** 2
def get_perimeter(self):
return 2 * math.pi * self.radius
my_circle = Circle(5)
my_circle.get_area(my_circle)
my_circle.get_perimeter(my_circle)