914

class Solution:
    def hasGroupsSizeX(self, deck: List[int]) -> bool:

        values = list(Counter(deck).values())
        gcd = values[0]
        for i in range(1, len(values)):
            a = gcd
            b = values[i]
            while a % b != 0:
                a, b = b, a % b
            gcd = b

        return gcd > 1