비트연산자 사용, zfill()
or: | xor: ^ and: &
def solution(n, arr1, arr2): answer = [] for i in range(n): chn = bin(arr1[i] | arr2[i]) chn = chn[2:].zfill(n) chn = chn.replace('1','#') chn = chn.replace('0',' ') answer.append(chn) return answer