Programmers 369게임 https://school.programmers.co.kr/learn/courses/30/lessons/120891 문제 코드 def solution(order): answer = 0 lst = [i for i in str(order)] for i in lst: if i in ['3', '6','9']: answer += 1 return answer count 활용 def solution(order): answer = 0 order = str(order) return order.count('3') + order.count('6') + order.count('9')
