- main.py
import naturalson
natural = int(input("a= "))
naturalb = int(input("b= "))
natija = naturalson.ns(natural,naturalb)
print("Birinchi son: {}\nIkkinchi: {}\nUlarning EKUBi: {}".format(natural,naturalb,natija))

- naturalson.py 
def ns(a, b):
    while a != 0 and b != 0:
        if a > b:
            a %= b
        else:
            b %= a
    qiymat = a + b
    return qiymat

- main.py
import naturalson
natural = int(input("a= "))
naturalb = int(input("b= "))
natija = naturalson.ns(natural,naturalb)
print("Birinchi son: {}\nIkkinchi son: {}\nNatija: {}".format(natural,naturalb,natija))

- naturalson.py 
def ns(a,b):
    k = (a+b)**2
    return k