Greatest common divisor (7 kyu)

[DNPotapov]

import math
def mygcd(x, y):
    return math.gcd(x,y)

[DNPotapov]

Find the greatest common divisor of two positive integers. The integers can be large, so you need to find a clever solution.

The inputs x and y are always greater or equal to 1, so the greatest common divisor will always be an integer that is also greater or equal to 1.

[DNPotapov]

https://www.codewars.com/kata/5500d54c2ebe0a8e8a0003fd