10진수를 n진법으로

def solution(num, n):
    result = []

    if num == 0:
        result.append(0)

    while num > 0:
        if num % n < 10:
            result.append(num % n)
        else:
            result.append(chr(num % n - 10 + ord('A')))
        num //= n

    return result[::-1]

print(solution(1, 2))