공부하자 동진아

def solution(arr1, arr2):
    answer = list()
    x, y = len(arr1), len(arr2[0])
    for i in range(x):
        tmp = []
        for j in range(y):
            tmp.append(arr1[i][j] + arr2[i][j])
        answer.append(tmp)
    return answer

def solution(x):
    return x % sum([int(c) for c in str(x)]) == 0

def solution(x, n):
    return [x*i for i in range(1, n+1)]

def solution(s):
    if len(s) % 2 == 0:
        answer = s[len(s)//2-1:len(s)//2+1]
    else:
        answer = s[len(s)//2:len(s)//2+1]
    return answer