Compare the triplets(cpp)

def comparetriplets(a,b):
    answer=[]
    alice,bob=0,0
    for alice_s,bob_s in zip(a,b):
        if alice_s > bob_s:
            alice+=1
        if alice_s<bob_s:
            bob+=1
    answer.append(alice)
    answer.append(bob)
    return answer