Contains Duplicate

Author: E-1on

contains-duplicate/Sung-Heon.py

@@ -0,0 +1,9 @@
+class Solution:
+    def containsDuplicate(self, nums: List[int]) -> bool:
+        temp = {}
+        for i in nums:
+            if temp.get(i):
+                return True
+            else:
+                temp[i] = True
+        return False