[Codility] Lv2 - CyclicRotation

def solution(A, K):
    if len(A) == K or len(A) == 0:
        return A
    elif len(A) < K:
        K = K % len(A)
    
    for i in range(K):
        item = A.pop()
        A.insert(0, item)
    return A