from math import sqrt

sqrt(3)
import math

PI = math.pi

print(PI)

print(math.exp(1))

def func_1():
    print('running func_1')

func_1()

def func_2(a: int, b: int):
    print(a * b)

func_2(2,3)

def function_3(a,b):
    print(a*b)

function_3(4,5)

fn1 = lambda x: x**3

print(fn1(3))  
