week 1: contains duplicate

prograsshopper · prograsshopper · commit 124f26a8998f · 2025-07-26T02:14:03.000+09:00
diff --git a/contains-duplicate/prograsshopper.py b/contains-duplicate/prograsshopper.py
@@ -0,0 +1,3 @@
+class Solution:
+    def containsDuplicate(self, nums: List[int]) -> bool:
+        return len(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(set(nums)) != len(nums)`