[1차] 비밀지도

https://school.programmers.co.kr/learn/courses/30/lessons/17681

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# [1차] 비밀지도

def solution(n, arr1, arr2):

    arr1_b = [format(x,'b').zfill(n) for x in arr1]
    arr2_b = [format(x,'b').zfill(n) for x in arr2]
    
    answer = []
    
    for a, b in zip(arr1_b, arr2_b):
        
        row = ''
        
        for i in range(n):
            if a[i] == '1' or b[i] == '1':
                row += '#'
            else:
                row += ' '
        answer.append(row)
                
    return answer