파이썬 3진법 뒤집기

 

import math
def solution(n):
    answer = 0
    reminder = ""
    
    while n > 0:
        reminder += str(n % 3)
        n //= 3
    intReminder = int(reminder)
    i = 0
    while intReminder > 0:
        answer += math.pow(3, i) * (intReminder % 10)
        i += 1
        intReminder //= 10
    return answer