====== 전화번호 목록 ======

===== 풀이 =====
  * BOJ의 [[ps:problems:boj:5052]]와 동일한 문제. 풀이는 그쪽 참고.

===== 코드 =====
<dkpr py>
"""Solution code for "Programmers 42577. 전화번호 목록".

- Problem link: https://programmers.co.kr/learn/courses/30/lessons/42577
- Solution link: http://www.teferi.net/ps/problems/programmers/42577
"""

def solution(phone_book):
    phone_book.sort()
    return all(not y.startswith(x) for x, y in zip(phone_book, phone_book[1:]))
</dkpr>

{{tag>프로그래머스 ps:problems:programmers:Level_2}}