2024-04-02

AlgoLeadMe · Apr 2, 2024 · e5ef4d7 · e5ef4d7
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diff --git a/kjs254/README.md b/kjs254/README.md
@@ -11,4 +11,5 @@
 | 7차시 | 2024.03.01 | 구현 | [캐시](https://school.programmers.co.kr/learn/courses/30/lessons/17680) | [#24](https://github.com/AlgoLeadMe/AlgoLeadMe-7/pull/24) |
 | 8차시 | 2024.03.08 | 구현 | [튜플](https://school.programmers.co.kr/learn/courses/30/lessons/64065) | [#30](https://github.com/AlgoLeadMe/AlgoLeadMe-7/pull/30) |
 | 9차시 | 2024.03.10 | 구현 | [뉴스 클러스터링](https://school.programmers.co.kr/learn/courses/30/lessons/17677) | [#33](https://github.com/AlgoLeadMe/AlgoLeadMe-7/pull/33) |
+| 10차시 | 2024.04.02 | 해시 | [전화번호 목록](https://school.programmers.co.kr/learn/courses/30/lessons/42577) | [#46](https://github.com/AlgoLeadMe/AlgoLeadMe-7/pull/46) |
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diff --git a/kjs254/해시/전화번호 목록.py b/kjs254/해시/전화번호 목록.py
@@ -0,0 +1,6 @@
+def solution(phone_book):
+    phone_book.sort()
+    for i in range(len(phone_book)-1):
+        if phone_book[i+1].startswith(phone_book[i]): 
+            return False
+    return True