[main] contains-duplicate solution

jeongyunjae · jeongyunjae · commit 8a353fcd53d9 · 2025-07-20T19:36:57.000+09:00
diff --git a/contains-duplicate/jeongyunjae.py b/contains-duplicate/jeongyunjae.py
@@ -0,0 +1,3 @@
+class Solution:
+    def containsDuplicate(self, nums: List[int]) -> bool:
+        return len(list(set(nums))) != len(nums)

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+class Solution:`
	`2`	`+ def containsDuplicate(self, nums: List[int]) -> bool:`
	`3`	`+ return len(list(set(nums))) != len(nums)`