import math

def addition (x, y):
    return x + y

def circle_area (r):
    return math.pi * (r ** 2)

print(f"add 1 + 2 = {addition(1, 2)}")

print(f"area 2 = {circle_area(2)}")

import math

def addition (x, y):
    return x + y

def circle_area (r):
    return math.pi * (r ** 2)

print(f"add 1 + 2 = {addition(1, 2)}")

print(f"area 2 = {circle_area(2)}")
