t2.py

def gcd(a, b):
    while b != 0:
        (a, b) = (b, a % b)
    return a

def main():
    while(True):
            n1 = int(input("Please Enter First Number\n> "))
            n2 = int(input("Please Enter Secound Number\n> "))

            print("\n")

            print(f"gcd({n1}, {n2}) = {gcd(n1, n2)}")

            print("\n")

if __name__ == "__main__":
    main()